Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
internal system » internal systems
fare irrigation » farm irrigation, large irrigation, scale irrigation
data internal » ida internal
supply data » supply water
supply fare » supply farm, supply case, supply market

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply data internal system. ) or ( supply fare irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply data internal system. ) OR ( supply fare irrigation schemes. ))*.