Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
oral communication » mobile communication, _ communication, risk communication
information gaps » information gap, information flows, information needs
technologies a » technologies _
le development » e development, sme development, use development
a information » _ information, land information, award information
network le » network e, network _, network 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 gaps de oral communication network le development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps de oral communication network le development _ afrique.*.