Perhaps you should try some spelling variations:
"american archaeological association" » "american psychological association", "american archaeological application", "american archaeological education", "americas archaeological association", "african archaeological association", "africa archaeological association"
"american political association" » "american political associations", "american political associational", "american political assimilation", "american politics association", "america politics association"

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: (("american political association") OR ("american archaeological association")).
• Removing quotes may allow a broader search: (( american political association ) or ( american archaeological association )).
• Adding a wildcard symbol may retrieve word variants: (("american political association") or ("american archaeological association"))*.