Perhaps you should try some spelling variations:
investment periods » investment period, investment series, investment operations
border investments » border investment, power investments, bond investments
investments demand » investment demand, investment demands, investment damage
better investment » sector investment, sector investments, term investment
kent better » spend better

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. kent better investment periods ) or ( h. kent border investments demand ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kent better investment periods ) OR ( h. kent border investments demand )).
• Adding a wildcard symbol may retrieve word variants: (( h. kent better investment periods ) or ( h. kent border investments demand ))*.