Perhaps you should try some spelling variations:
"a fifty-minute series book" » "a fifty-minute period book", "a fifty-minute prices book", "a fifty-minute survey book", "a fifty-minute series books", "a fifty-minute services book", "a fifty-minute series block", "_ fifty-minute series book"
"a fifth-minute series bounds" » "a fifth-minute period bounds", "a fifth-minute prices bounds", "a fifth-minute survey bounds", "a fifth-minute series 11bounds", "a fifth-minute series wound", "a fifth-minute peres bounds", "_ fifth-minute series bounds"
"a fifty-minute bodies bones" » "a fifty-finite bodies bones", "a fifty-minute bodies cones", "a fifty-minute bodies done", "a fifty-minute bodies books", "_ fifty-minute bodies bones"
"a fifty-minute books bones" » "a fifty-minute books books", "a fifty-minute books done", "a fifty-minute books binds", "_ fifty-minute books bones"

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 book") OR ((((("a fifty-minute bodies bones") OR ("a fifty-minute books bones"))) OR ("a fifth-minute series bounds")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"a fifty-minute series book\") or (((((\"a fifty-minute bodies bones\") OR (\"a fifty-minute books bones\"))) or (\"a fifth-minute series bounds\"))))".
• Removing quotes may allow a broader search: (( a fifty-minute series book ) or ((((( a fifty-minute bodies bones ) OR ( a fifty-minute books bones ))) or ( a fifth-minute series bounds )))).
• Adding a wildcard symbol may retrieve word variants: (("a fifty-minute series book") or ((((("a fifty-minute bodies bones") OR ("a fifty-minute books bones"))) or ("a fifth-minute series bounds"))))*.