Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
information based » information case, information age, information use
de developpement » _ development, a development, sme development
developpement en » development _, development a, development co
technologies a » technologies _
a information » _ information, land information, award information
does mass » does cash
costs de » costs per, costs _, costs a

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 information based does mass communication costs de developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information based does mass communication costs de developpement en afrique.*.