Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
up international » 2 international, 1 international, 10 international
canal irrigation » scale irrigation
supply canal » supply canada, supply annual, supply china
support up » support _, support a, support 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support up international community. ) or ( supply canal irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support up international community. ) OR ( supply canal irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( support up international community. ) or ( supply canal irrigation schemes. ))*.