Perhaps you should try some spelling variations:
development strategies » development strategy
investment treaties » investment strategies, investment activities, investment incentives
better development » western development, between development, sector development
power investment » power investments, poor investment, border investment
health better » health center, health centers, health between
kept power » best power, heat power, net power

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. kept power investment treaties ) or ( h. health better development strategies ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kept power investment treaties ) OR ( h. health better development strategies )).
• Adding a wildcard symbol may retrieve word variants: (( h. kept power investment treaties ) or ( h. health better development strategies ))*.