Perhaps you should try some spelling variations:
"a fifty-minute survey book" » "a fifty-site survey book", "_ fifty-minute survey book", "a fifth-minute survey book"
"a fifty-minute server books" » "a fifty-minute speaker books", "a fifty-route server books", "a fifty-minute server book", "a fifty-minute server hooks", "a fifty-minute silver books", "_ fifty-minute server books", "a fifth-minute server books"

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 survey book") OR ("a fifty-minute server books")).
• Removing quotes may allow a broader search: (( a fifty-minute survey book ) or ( a fifty-minute server books )).
• Adding a wildcard symbol may retrieve word variants: (("a fifty-minute survey book") or ("a fifty-minute server books"))*.