Perhaps you should try some spelling variations:
investment demands » investment funds, investment trends
initial investment » national investment, capital investment
investment demand » investor demand
water investment » water investments, after investment, rates investment
joint initial » joint spatial, joint industrial, joint initiative
ment water » melt water, most water, peat water

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. ment water investment demands ) OR ( h. joint initial investment demand ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. ment water investment demands ) or ( h. joint initial investment demand ))*.