Perhaps you should try some spelling variations:
investment choices » investment costs, investment process
investment series » investment services, investment barriers, investment treaties
fixed investment » direct investment
net investment » debt investment, direct investment, forest investment
kent fixed » net fixed
agent net » agent note, agent de, agent des

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. agent net investment series ) OR ( h. kent fixed investment choices ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. agent net investment series ) or ( h. kent fixed investment choices ))*.