Talvez debería tentar con algunhas variantes ortográficas:
communication conversion » communication conversation, communications convention, communication cohesion
conversion devices » conversion david
pearson basic » person basic, pearson barrie, learn basic
pearson david » watson david, pearce david
action basic » action based, motion basics

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

• Performing a fuzzy search may retrieve terms with similar spellings: communication conversion devices ((((pearson basic) OR (pearson david))) or (action basic)) linear~.
• If you are trying to use Boolean operators, they must be ALL CAPS: communication conversion devices ((((pearson basic) OR (pearson david))) OR (action basic)) linear*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "communication conversion devices ((((pearson basic) OR (pearson david))) or (action basic)) linear*".