Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
3rd international » 2nd international
de migration » die migration, de migrations, pre migration
re migration » pre migration, die migration, 1 migration
supply 3rd » supply 3, supply 3.3, supply 3.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply 3rd international efforts. ) or ( support ((de migration) OR (re migration)) process. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply 3rd international efforts. ) OR ( support ((de migration) OR (re migration)) process. ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply 3rd international efforts. ) or ( support ((de migration) OR (re migration)) process. ))*".