Perhaps you should try some spelling variations:
investment treaties » investment strategies, investment activities, investment incentives
investment demand » investor demand
des investment » does investment, debt investment, best investment
new investment » debt investment, best investment, d investment
agent des » agent de, agenda des, agent du
kunt new » wint new

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. agent des investment treaties ) OR ( h. kunt new investment demand ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. agent des investment treaties ) or ( h. kunt new investment demand ))*.