Perhaps you should try some spelling variations:
integrated services » internet services
irrigation schemes » irrigation scheme, irrigation systems
facto integrated » facto integration, factor integration, farmer integrated
supply scale » supply case, supply scheme, supply social
supply facto » supply factors, supply sector, supply data

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

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