Perhaps you should try some spelling variations:
investment treaties » investment strategies, investment activities, investment incentives
trade investment » private investment, estate investment, trade adjustment
safe investment » safer investments, scale investment, shape investment
west trade » best trade, nest trade, wheat trade
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. kent safe investment treaties ) or ( h. west trade investment barriers ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kent safe investment treaties ) OR ( h. west trade investment barriers )).
• Adding a wildcard symbol may retrieve word variants: (( h. kent safe investment treaties ) or ( h. west trade investment barriers ))*.