Perhaps you should try some spelling variations:
"politicos mexico la medicina interna ;" » "politica mexico la medicina interna ;", "policy mexico la medicina interna ;", "politicos mexico de medicina interna ;"
"politico mexico en medicina interna ;" » "politica mexico en medicina interna ;", "politics mexico en medicina interna ;", "politico mexicano en medicina interna ;", "politico mexico de medicina interna ;"

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: (("politico mexico en medicina interna ;") OR ("politicos mexico la medicina interna ;"))~.
• Removing quotes may allow a broader search: (( politico mexico en medicina interna ; ) or ( politicos mexico la medicina interna ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("politico mexico en medicina interna ;") or ("politicos mexico la medicina interna ;"))*.