Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
generation reforms » generation records, federation reform, generation platforms
video generation » hydro generation, co generation
supply video » supply side, supply sides, supply siders
supply 4 » supply _, supply a, supply 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply video generation reforms. ) or ( supply 4 international efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply video generation reforms. ) OR ( supply 4 international efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply video generation reforms. ) or ( supply 4 international efforts. ))*.