Perhaps you should try some spelling variations:
investment treaty » investment treaties, investment trusts, investment targets
water investment » water investments, rates investment, greater investment
debt investment » direct investment, direct investments, forest investment
net investment » _ investment, direct investment, forest investment
kept water » melt water

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 water investment treaty ) or ( h. kunt ((net investment) OR (debt investment)) fund ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kept water investment treaty ) OR ( h. kunt ((net investment) OR (debt investment)) fund )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kept water investment treaty ) or ( h. kunt ((net investment) OR (debt investment)) fund ))".
• Adding a wildcard symbol may retrieve word variants: (( h. kept water investment treaty ) or ( h. kunt ((net investment) OR (debt investment)) fund ))*.