Perhaps you should try some spelling variations:
investment treaties » investment strategies, investment activities, investment incentives
investment period » investment series, investment policy, adjustment period
baker investment » water investment, water investments, better investment
salt water » saline water
kent » rent, kunt, kept

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. ((melt water) OR (salt water)) investment treaties ) or ( h. kent baker investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((melt water) OR (salt water)) investment treaties ) OR ( h. kent baker investment period ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((melt water) OR (salt water)) investment treaties ) or ( h. kent baker investment period ))*".