Perhaps you should try some spelling variations:
investment periods » investment period, investment series, investment operations
estate investments » estate investment, private investments, equity investments
investments series » investment series, investments serbia, investments sri
likert estate » likert scale
key term » key terms, key erm

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

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