Perhaps you should try some spelling variations:
communication methods » communication networks, communication network, communications networks
risk communication » _ communication, mobile communication
information need » information needs, information based, information age
de developpement » _ development, a development, sme development
technologies a » technologies _
a information » _ information, land information, award information
methods de » methods _, methods model
does » des

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 need does risk communication methods de developpement _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information need does risk communication methods de developpement _ afrique.*.