Perhaps you should try some spelling variations:
forest investment » foreign investment, direct investment, foreign investments
investment demand » investor demand
investment rates » investment rate
bond investment » bond investments, road investment, fund investment
rent forest » ant forest, meet forest, redd forest

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. rent forest investment rates ) OR ( h. (went OR want) bond investment demand ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. rent forest investment rates ) or ( h. (went OR want) bond investment demand ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. rent forest investment rates ) or ( h. (went OR want) bond investment demand ))*.