Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
internet services » internet service
canal irrigation » scale irrigation
more internet » mode internet, model internet, pre internet
support canal » support can, support data, support bank
support more » support model, support come, support me

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support more internet services. ) or ( support canal irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support more internet services. ) OR ( support canal irrigation schemes. ))*.