Perhaps you should try some spelling variations:
international journal » international capital
rate international » rates international, trade international, raise international
rural irrigation » canal irrigation, local irrigation, total irrigation
supply rural » supply curve
supply rate » supply water, supply case, supply data
systems. » system.

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 rural irrigation systems. ) OR ( supply rate international journal. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply rural irrigation systems. ) or ( supply rate international journal. ))*.