Perhaps you should try some spelling variations:
international seminar » international series, international standard, international mining
third international » 3rd international, 2nd international, action international
irrigation scheme » irrigation systems
support third » supper third, support toward, support them
supply drip » supply driven

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

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