Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
mass communication » risk communication, _ communication, mobile communication
clean development » human development, urban development, child development
l'information et » information _, information act
a l'information » _ information, aids information, care information
technologies a » technologies _
de mass » does mass, ice mass

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a l'information et de mass communication modes clean development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a l'information et de mass communication modes clean development _ afrique.*.