Perhaps you should try some spelling variations:
"contains blood" » "contains book", "contains also", "chains blood"
"contact blood" » "intact blood", "content blood", "contact beyond"
"contact book" » "content book", "contact bio", "contact bulk"

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: (("contact book") OR ((("contact blood") OR ("contains blood")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"contact book\") or (((\"contact blood\") OR (\"contains blood\"))))".
• Removing quotes may allow a broader search: (( contact book ) or ((( contact blood ) OR ( contains blood )))).
• Adding a wildcard symbol may retrieve word variants: (("contact book") or ((("contact blood") OR ("contains blood"))))*.