Perhaps you should try some spelling variations:
associated factors » associated bacteria
associate editors » associated pastors, associate factor, associated operators
associated vector » associated secretory, associated infection, associated operators
associate editor » associate factor, associated factor, associated motor

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