Perhaps you should try some spelling variations:
foreign investors » foreign investment
investment trends » investment funds, investment treaty, investment trusts
investors period » investment period, investors regions, investors service
scale investment » estate investment, trade investment, estate investments
dense foreign » den foreign, des foreign, adverse foreign
kent scale » event scale, debt scale, likert scale

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 foreign investors period ) OR ( h. kent scale investment trends ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. dense foreign investors period ) or ( h. kent scale investment trends ))*.