Perhaps you should try some spelling variations:
forest investment » foreign investment, direct investment, foreign investments
investment rates » investment rate, investment banks, investment flows
trade adjustment » price adjustment, price adjustments
adjustment ties » adjustment taxes, adjustment costs, adjustment loans
west trade » wheat trade, leste trade, net trade
dense » sense

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. dense forest investment rates ) OR ( h. west trade adjustment ties ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. dense forest investment rates ) or ( h. west trade adjustment ties ))*.