Perhaps you should try some spelling variations:
communication model » communication media, communication costs, communication skills
clean development » human development, urban development, child development
la communication » _ communication, mass communication, oral communication
information et » information act, information _, information need
development a » development _, development bank, development banks
model clean » model can

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information et de la communication model clean development a afrique.*.