Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
more communications » korea communications, mce communications, mobile communications
development center » development case
clean development » human development, urban development
technology des » technology does, technology debts, technology nodes
des relations » les relations, its relations, et relations
relations do » relations du, relations das, relations der
center based » gender based, cluster based, weather based
prices more » prices power, prices macro
costs clean » costs clear

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

• Adding a wildcard symbol may retrieve word variants: technology des relations do prices more communications costs clean development center based.*.