Perhaps you should try some spelling variations:
development policies » development policy, development projects
trough communication » through communication, thought communication, touch communication
technology strategy » technology strategies, technology trade
clean development » human development, urban development
strategy section » strategy selection, strategy execution, strategy collection
section 3.5 » section 3.2, section 1.5, section 2.5
costs clean » costs clear
his trough » his thought
3.5 his » 3.5 high

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

• Adding a wildcard symbol may retrieve word variants: technology strategy section 3.5 his trough communication costs clean development policies _.*.