Perhaps you should try some spelling variations:
adjustment period » adjustment policy, adjustment operations
investment series » investment services, investment barriers, investment treaties
notes investment » does investment, rates investment, forest investment
rent notes » rest notes, agent notes, end notes
rent rate » current rate, percent rate
heat rate » flat rate

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((rent rate) OR (heat rate)) adjustment period ) OR ( h. rent notes investment series ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((rent rate) OR (heat rate)) adjustment period ) or ( h. rent notes investment series ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. ((rent rate) OR (heat rate)) adjustment period ) or ( h. rent notes investment series ))*.