Perhaps you should try some spelling variations:
integration schemes » irrigation schemes, integration some, integration theories
integration efforts » international efforts, conservation efforts
fare integration » market integration, data integration, _ reintegration
supply trade » supply side, supply case
export fare » export share, export base, export more

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply trade integration schemes. ) OR ( export fare integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply trade integration schemes. ) or ( export fare integration efforts. ))*.