Perhaps you should try some spelling variations:
saline irrigation » saving irrigation, scale irrigation, basin irrigation
irrigation scheme » irrigation systems
care information » more information, change information, trade information
supply saline » supply side, supply lines
supply care » supply case, supply curve, supply cote

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

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