Perhaps you should try some spelling variations:
mark baker » clark baker, mr baker, mark bates
mary baker » mary parker
mark maker » mark maier, market maker, mark mather
linguist » linguists, linguistic, linguistik

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: ((((mark baker) OR (mary baker))) OR (mark maker)) (linguist).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((mark baker) OR (mary baker))) or (mark maker)) (linguist)".
• Adding a wildcard symbol may retrieve word variants: ((((mark baker) OR (mary baker))) or (mark maker)) (linguist)*.