Perhaps you should try some spelling variations:
foreign investors » foreign investment
investment demand » investor demand
fixed investment » direct investment
investors banks » investor bases, investors can, investors want
rent foreign » net foreign, debt foreign, den 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. rent foreign investors banks ) OR ( h. kent fixed investment demand ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. rent foreign investors banks ) or ( h. kent fixed investment demand ))*.