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

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