Perhaps you should try some spelling variations:
government services » government securities
investment period » investment series, investment policy, adjustment period
estate government » state government, state governments, states government
after investment » water investment, battery investment, water investments
likert estate » likert scale
kunt after » out after

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. kunt after investment period ) OR ( h. likert estate government services ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. kunt after investment period ) or ( h. likert estate government services ))*.