Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
payment service » payment services, employment service
saline green » scaling green, anne green, eine green
card payment » cash payment, claim payment, bank payment
maize green » maize grain, maize grains
rent card » test card

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. ((saline green) OR (maize green)) investment period ) or ( h. rent card payment service ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((saline green) OR (maize green)) investment period ) OR ( h. rent card payment service )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((saline green) OR (maize green)) investment period ) or ( h. rent card payment service ))".
• Adding a wildcard symbol may retrieve word variants: (( h. ((saline green) OR (maize green)) investment period ) or ( h. rent card payment service ))*.