Perhaps you should try some spelling variations:
scale investments » scale investment, estate investments, social investments
investments costs » investment costs, investments cost, investments costa
investment demand » investor demand
keep private » die private, der private, does private
kent scale » event scale, debt scale, likert scale

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 scale investments costs ) OR ( h. keep private investment demand ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. kent scale investments costs ) OR ( h. keep private investment demand ))*.