Perhaps you should try some spelling variations:
prices integration » services integration, prices international, service integration
irrigation scheme » irrigation systems
integration some » integration volume, integration power, integration south
canal irrigation » scale irrigation
export prices » import prices
supply canal » supply annual, supply rural, supply case

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( export prices integration some. ) or ( supply canal irrigation scheme. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( export prices integration some. ) OR ( supply canal irrigation scheme. ))*.