Perhaps you should try some spelling variations:
water investment » water investments, after investment, rates investment
investment flows » investment funds
based investment » fixed investment, best investment, bond investment
kunt water » ment water, want water
rent based » rest based, agent based, event based

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. kunt water investment flows ) OR ( h. rent based investment barriers ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kunt water investment flows ) OR ( h. rent based investment barriers ))".
• Adding a wildcard symbol may retrieve word variants: (( h. kunt water investment flows ) OR ( h. rent based investment barriers ))*.