Perhaps you should try some spelling variations:
"a fifty-minute survey block" » "a fifty-site survey block", "a fifty-minute survey black", "a fifty-minute survey book", "a fifty-minute survey loch", "_ fifty-minute survey block"
"a fifty-minute series books" » "a fifty-minute prices books", "a fifty-minute series bones", "a fifty-minute server books", "a fifty-minute sheriffs books", "_ fifty-minute series books"
"a fifth-minute series books" » "a fifth-minute prices books", "a fifth-minute series bones", "a fifth-minute server books", "a fifth-minute sheriffs books", "_ fifth-minute series books"
"a fifty-minute series basics" » "a fifty-minute prices basics", "a fifty-minute services basics", "a fifty-minute server basics", "a fifty-minute devices basics", "a fifty-minute series baseds", "a fifty-minute theories basics", "_ fifty-minute series basics"
"a fifty-minute series basic" » "a fifty-minute prices basic", "a fifty-minute services basic", "a fifty-minute series based", "a fifty-minute theories basic", "_ fifty-minute series basic"
"a fifty-minute bodies stock" » "a fifty-finite bodies stock", "a fifty-minute books stock", "a fifty-minute studies stock", "a fifty-minute bodies space", "a fifty-minute bodies some", "_ fifty-minute bodies stock"
"a fifty-minute period black" » "a fifty-acute period black", "a fifty-minute region black", "a fifty-minute period batch", "a fifty-minute period bart", "a fifty-minute period beata", "_ fifty-minute period black"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a fifty-minute series books") OR ("a fifth-minute series books"))) OR ((((("a fifty-minute survey block") OR ("a fifty-minute bodies stock"))) OR ((((("a fifty-minute series basics") OR ("a fifty-minute series basic"))) OR ("a fifty-minute period black")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a fifty-minute series books\") OR (\"a fifth-minute series books\"))) or (((((\"a fifty-minute survey block\") or (\"a fifty-minute bodies stock\"))) or (((((\"a fifty-minute series basics\") or (\"a fifty-minute series basic\"))) or (\"a fifty-minute period black\"))))))".
• Removing quotes may allow a broader search: (((( a fifty-minute series books ) OR ( a fifth-minute series books ))) or ((((( a fifty-minute survey block ) or ( a fifty-minute bodies stock ))) or ((((( a fifty-minute series basics ) or ( a fifty-minute series basic ))) or ( a fifty-minute period black )))))).
• Adding a wildcard symbol may retrieve word variants: (((("a fifty-minute series books") OR ("a fifth-minute series books"))) or ((((("a fifty-minute survey block") or ("a fifty-minute bodies stock"))) or ((((("a fifty-minute series basics") or ("a fifty-minute series basic"))) or ("a fifty-minute period black"))))))*.