Perhaps you should try some spelling variations:
international seminar » international series, international standard, international mining
them international » other international, igem international, term international
farm irrigation » scale irrigation, canal irrigation
support them » support tool
supply farm » supply from, support farm
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 farm irrigation systems. ) or ( support them international seminar. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply farm irrigation systems. ) OR ( support them international seminar. )).
• Adding a wildcard symbol may retrieve word variants: (( supply farm irrigation systems. ) or ( support them international seminar. ))*.