Perhaps you should try some spelling variations:
integrating services » integration services, integrated services, regulating services
factor integrating » factor integration, facto integration, faso integrating
irrigation scheme » irrigation systems
supply factor » supply factors, supply sector
supply scale » supply case, supply scheme, supply social

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

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