Perhaps you should try some spelling variations:
foreign investments » foreign investment, foreign investors
investment projects » development projects
investments policy » investment policy, investments poland, investments political
fixed investment » direct investment
heat foreign » health foreign, net foreign, debt foreign
kent fixed » net fixed

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 fixed investment projects ) OR ( h. heat foreign investments policy ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. kent fixed investment projects ) or ( h. heat foreign investments policy ))*.