Perhaps you should try some spelling variations:
specific protein » specific protease (Expand Search), specific probing (Expand Search), specific brain (Expand Search)
specific grove » specific gene (Expand Search), specific gravity (Expand Search), specific purpose (Expand Search)
specific role » specific rodent (Expand Search), specific fall (Expand Search), specific gene (Expand Search)
brooks/cole » brooks/core (Expand Search), brooks/code (Expand Search), brooks/come (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((specific grove) OR (specific protein))) OR (specific role)), calif : brooks/cole pub,~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((specific grove) OR (specific protein))) OR (specific role)), calif : brooks/cole pub,.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((specific grove) OR (specific protein))) OR (specific role)), calif : brooks/cole pub,".
• Adding a wildcard symbol may retrieve word variants: ((((specific grove) OR (specific protein))) OR (specific role)), calif : brooks/cole pub,*.