Perhaps you should try some spelling variations:
investment demands » investment demand, investment funds, investment banks
water investment » water investments, rates investment, greater investment
investment costs » investment funds, investment flows, investment banks
rail investment » rail investments, real investment, railway investment
kent water » kenya water, melt water

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kent water investment costs ) OR ( h. kent rail investment demands ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. kent water investment costs ) OR ( h. kent rail investment demands ))*.