Perhaps you should try some spelling variations:
associated vectors » associated vector, associated receptors, associated factor
associated pastors » associated pairs, associated operators, associated gastric
associated factors » associated bacteria
associate director » associated vector
associate editor » associate editors, associate factor, associated vector

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: ((((associate editor) OR (((((associated vectors) OR (associated pastors))) OR (associated factors))))) OR (associate director)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((associate editor) or (((((associated vectors) OR (associated pastors))) or (associated factors))))) or (associate director))".
• Adding a wildcard symbol may retrieve word variants: ((((associate editor) or (((((associated vectors) OR (associated pastors))) or (associated factors))))) or (associate director))*.