Perhaps you should try some spelling variations:
"support 3rd international politics." » "support 3rd international political.", "support 3rd international policy.", "support 3rd international economics.", "support 2nd international politics.", "support 3.4 international politics.", "support 3 international politics.", "support 3.2 international politics."
"supply uganda heating services." » "supply uganda testing services.", "supply uganda hunting services.", "supply uganda leasing services.", "supply uganda meeting services.", "supply uganda starting services.", "supply uganda making services.", "supply canada heating services."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("support 3rd international politics.") or ("supply uganda heating services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support 3rd international politics.") OR ("supply uganda heating services.")).
• Removing quotes may allow a broader search: (( support 3rd international politics. ) or ( supply uganda heating services. )).
• Adding a wildcard symbol may retrieve word variants: (("support 3rd international politics.") or ("supply uganda heating services."))*.