Perhaps you should try some spelling variations:
investment operations » investment options, investment corporation, investment regulations
prices investment » prime investment, services investment, policies investment
value payment » late payment
melt prices » meat prices, debt prices, rent prices
dept value » death value, net value, heat value

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. melt prices investment operations ) or ( h. dept value payment (services or series) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. melt prices investment operations ) OR ( h. dept value payment (services OR series) )).
• Adding a wildcard symbol may retrieve word variants: (( h. melt prices investment operations ) or ( h. dept value payment (services or series) ))*.