Perhaps you should try some spelling variations:
integration schemes » irrigation schemes, integration some, integration theories
water integration » water integrating, factor integration, data integration
grid irrigation » drip irrigation, syria irrigation, crop irrigation
support grid » support agri, support grant, support group
systems. » system.

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

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