Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development armenian » development armenia, development dimension, development agenda
do communications » 10 communications, 14 communications, 2 communications
clean development » human development, urban development
integration de » integration der, integration des, l'integration de
armenian case » armenia case, armenian state, abelian case
costs clean » costs clear
de goey » de goede, der goes

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

• Adding a wildcard symbol may retrieve word variants: technologies _ integration de goey do communications costs clean development armenian case.*.