Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
payments services » payment services, payment service
based investment » fixed investment, best investment, bond investment
based payments » cash payments, late payments, lease payments
kent based » agent based, event based, text based

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 based investment period ) OR ( h. kent based payments services ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kent based investment period ) OR ( h. kent based payments services ))".
• Adding a wildcard symbol may retrieve word variants: (( h. kent based investment period ) OR ( h. kent based payments services ))*.