Perhaps you should try some spelling variations:
investment demands » investment demand, investment trends
bond investment » bond investments, road investment, fund investment
rate investment » rates investment, trade investment, water investment
current rate » current state
text bond » text bild, text book
funds » fund

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. current rate investment funds ) or ( h. text bond investment demands ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. current rate investment funds ) OR ( h. text bond investment demands )).
• Adding a wildcard symbol may retrieve word variants: (( h. current rate investment funds ) or ( h. text bond investment demands ))*.