Perhaps you should try some spelling variations:
development strategies » development strategy
better development » western development, between development, sector development
investment demand » investor demand
based investment » fixed investment, best investment, bond investment
read better » areas better, eat better, need better

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

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