Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
technologies aids » technologies a, technologies any, technologies fish
clean development » human development, urban development, child development
aids information » hidden information, chief information, award information
la communication » _ communication, mass communication, oral communication
information et » information act, information _, information need

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

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