Perhaps you should try some spelling variations:
resources development » resource development
strategy croatia » strategy creating, strategy creation, strategy create
gnp development » gdp development, amp development, up development
strategy phase » strategy paper, strategy based, strategy part
et resources » et ressources, get resources, text resources
real gnp » real gdp

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( real gnp development strategy phase ) or ( et resources development strategy croatia ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( real gnp development strategy phase ) OR ( et resources development strategy croatia )).
• Adding a wildcard symbol may retrieve word variants: (( real gnp development strategy phase ) or ( et resources development strategy croatia ))*.