Perhaps you should try some spelling variations:
investment demand » investor demand
investment series » investment services, investment barriers, investment treaties
water investment » water investments, after investment, rates investment
investment fund » investment funds, investment bank, investment flows
kept water » melt water, ment water, peat water
net poor » neet poor, new poor, near poor

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. net poor ((investment demand) OR (investment fund)) ) or ( h. kept water investment series ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. net poor ((investment demand) OR (investment fund)) ) OR ( h. kept water investment series )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. net poor ((investment demand) OR (investment fund)) ) or ( h. kept water investment series ))".
• Adding a wildcard symbol may retrieve word variants: (( h. net poor ((investment demand) OR (investment fund)) ) or ( h. kept water investment series ))*.