Perhaps you should try some spelling variations:
"supply uganda integrating services." » "supply uganda integrated services.", "supply uganda testing services.", "supply uganda integrating policies.", "supply gaps integrating services.", "supply china integrating services."
"support grid irrigation schemes." » "support grid irrigation scheme.", "support grid irrigation systems.", "support drip irrigation schemes.", "support syria irrigation schemes.", "support crop irrigation schemes.", "support agri irrigation schemes.", "support grant irrigation schemes.", "support group irrigation schemes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply uganda integrating services.") or ("support grid irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply uganda integrating services.") OR ("support grid irrigation schemes."))*.
• Removing quotes may allow a broader search: (( supply uganda integrating services. ) or ( support grid irrigation schemes. ))*.