Perhaps you should try some spelling variations:
associated factor » associated factors, associate factor, associated pastors
associated vector » associated factors, associate director, associated secretory
associated fatty » associated fauna, associated factors, associated states

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: ((associated factor) OR (((associated fatty) OR (associated vector)))).
• Adding a wildcard symbol may retrieve word variants: ((associated factor) or (((associated fatty) or (associated vector))))*.