Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
center information » better information, gender information, weather information
oral communication » mobile communication, _ communication, risk communication
technology center » technology centers, technology content, technology creates
information flow » information flows, information _
de development » e development, de developpement, code development
efforts de » efforts _, efforts data
flow de » flows do

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology center information flow de oral communication efforts de development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology center information flow de oral communication efforts de development _ afrique.*.