Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
technologies could » technologies volume
mass communication » risk communication, _ communication, mobile communication
could information » child information, pooled information, road information
de developpement » _ development, a development, sme development
flows do » flows _
modes de » modes _, does de
do mass » does mass, how mass, do mlabs

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies could information flows do mass communication modes de developpement _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies could information flows do mass communication modes de developpement _ afrique.*.