Perhaps you should try some spelling variations:
"support grant international seminar." » "support grant international series.", "support grant international standard.", "support grant international mining.", "support granted international seminar.", "support great international seminar.", "support transit international seminar."
"import data irrigation systems." » "import delta irrigation systems.", "import canal irrigation systems.", "import water irrigation systems.", "import duty irrigation systems.", "import data irrigation system."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support grant international seminar.") or ("import data irrigation systems."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grant international seminar.") OR ("import data irrigation systems."))*.
• Removing quotes may allow a broader search: (( support grant international seminar. ) or ( import data irrigation systems. ))*.