Perhaps you should try some spelling variations:
social investments » social investment, local investment, capital investments
investments series » investment services, investment period, investment ties
investment series » investment services, investment barriers, investment treaties
scale investment » estate investment, trade investment, estate investments
reported social » related social

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

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