Perhaps you should try some spelling variations:
development strategies » development strategy
investment series » investment services, investment barriers, investment treaties
water development » career development, sector development
poor investment » power investments, sector investment
salt water » saline water
kept poor » neet poor

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. kept poor investment series ) or ( h. salt water development strategies ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kept poor investment series ) OR ( h. salt water development strategies )).
• Adding a wildcard symbol may retrieve word variants: (( h. kept poor investment series ) or ( h. salt water development strategies ))*.