Perhaps you should try some spelling variations:
investment services » government services, treatment services, investment choices
investment demand » investor demand
water investment » water investments, after investment, rates investment
fixed investment » direct investment
kept water » melt water, ment water, peat water
kept 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. kept water investment demand ) OR ( h. kept fixed investment services ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. kept water investment demand ) or ( h. kept fixed investment services ))*.