Perhaps you should try some spelling variations:
foreign investments » foreign investment, foreign investors
investments choices » investment choices, investment choice, investments chinese
fixed investment » direct investment
testing fixed » testing field, trading fixed, voting fixed
des foreign » does foreign, den foreign, daesh foreign

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. des foreign investments choices ) OR ( h. testing fixed investment barriers ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. des foreign investments choices ) or ( h. testing fixed investment barriers ))*.