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
rent baker » kent baker
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. rent baker investment treaties ) or ( h. ((rent based) or (text based)) investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. rent baker investment treaties ) OR ( h. ((rent based) OR (text based)) investment period )).
• Adding a wildcard symbol may retrieve word variants: (( h. rent baker investment treaties ) or ( h. ((rent based) or (text based)) investment period ))*.