Perhaps you should try some spelling variations:
"medico psychological association" » "medico psychological adaptation", "medico psychological consultation", "medico psychological evaluation", "mexico psychological association", "medical psychological association", "media psychological association"
"micro sociological association" » "micro ecological associations", "micro urological association", "micro psychological association's", "macro sociological association", "3 microsociological association", "medico sociological 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: (("micro sociological association") OR ("medico psychological association")).
• Removing quotes may allow a broader search: (( micro sociological association ) or ( medico psychological association )).
• Adding a wildcard symbol may retrieve word variants: (("micro sociological association") or ("medico psychological association"))*.