Perhaps you should try some spelling variations:
integration efforts » international efforts, conservation efforts
education reforms » education reform
supply china » supply chains, supply chain
supply line » supply lines, supply latin
supply grid » supply crowd, supply great, support grid

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((supply line) OR (supply china)) education reforms. ) OR ( supply grid integration efforts. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply line) OR (supply china)) education reforms. ) or ( supply grid integration efforts. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((supply line) OR (supply china)) education reforms. ) or ( supply grid integration efforts. ))*.