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

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 barriers") or ("h. reported social investments series"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("h. likert scale investment barriers") OR ("h. reported social investments series")).
• Removing quotes may allow a broader search: (( h. likert scale investment barriers ) or ( h. reported social investments series )).
• Adding a wildcard symbol may retrieve word variants: (("h. likert scale investment barriers") or ("h. reported social investments series"))*.