Perhaps you should try some spelling variations:
government services » government securities
based government » dated government, water government, land government
rate investment » rates investment, trade investment, water investment
investment bank » investment funds
rank based » bank based, risk based, land based
heat rate » death rate, flat rate

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. rank based government services ) or ( h. heat rate investment bank ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. rank based government services ) OR ( h. heat rate investment bank )).
• Adding a wildcard symbol may retrieve word variants: (( h. rank based government services ) or ( h. heat rate investment bank ))*.