Perhaps you should try some spelling variations:
investment services » government services, treatment services, investment choices
investment period » investment series, investment policy, adjustment period
good investment » road investment, world investment, road investments
report card » report cards
report ar4 » report ahrq, report a, report 4

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. ((report ar4) OR (report card)) investment period ) or ( h. repo good investment services ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((report ar4) OR (report card)) investment period ) OR ( h. repo good investment services )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((report ar4) OR (report card)) investment period ) or ( h. repo good investment services ))".
• Adding a wildcard symbol may retrieve word variants: (( h. ((report ar4) OR (report card)) investment period ) or ( h. repo good investment services ))*.