Perhaps you should try some spelling variations:
government services » government securities
investment choices » investment costs, investment process
rate investment » rates investment, trade investment, water investment
kent between » link between, land between
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. heat rate investment choices ) OR ( h. kent between government services ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. heat rate investment choices ) OR ( h. kent between government services ))".
• Adding a wildcard symbol may retrieve word variants: (( h. heat rate investment choices ) OR ( h. kent between government services ))*.