Perhaps you should try some spelling variations:
investments treaties » investment treaties, investment treaty, investments great
investments period » investment period, investment periods, investments peru
firm investments » firm investment, farm investments, term investments
kept power » heat power, net power
best power » cost power, best peer, heat power
held firm » held firms, help firms

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) or (best power)) investments period ) or ( h. held firm investments treaties ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((kept power) OR (best power)) investments period ) OR ( h. held firm investments treaties )).
• Adding a wildcard symbol may retrieve word variants: (( h. ((kept power) or (best power)) investments period ) or ( h. held firm investments treaties ))*.