Perhaps you should try some spelling variations:
international journal » international capital
irrigation schemes » irrigation scheme, irrigation systems
rate international » rates international, trade international, raise international
supply rate » supply water, supply case, supply data
drip » drop, trip

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

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