Perhaps you should try some spelling variations:
investment treaties » investment strategies, investment activities, investment incentives
forest investment » foreign investment, direct investment, foreign investments
investment period » investment series, investment policy, adjustment period
baker investment » water investment, water investments, better investment
among forest » among first, among foreign, among formal
kent » rent, kunt, kept

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

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