Perhaps you should try some spelling variations:
first international » 1st international, report international
syria irrigation » africa irrigation, drip irrigation, surge irrigation
supply first » supply cost, supply from, supply 21st
supply syria » supply africa, supply social, supply sierra
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: (( supply first international journal. ) or ( supply syria irrigation systems. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply first international journal. ) OR ( supply syria irrigation systems. )).
• Adding a wildcard symbol may retrieve word variants: (( supply first international journal. ) or ( supply syria irrigation systems. ))*.