Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
information based » information case, information age, information use
technologies new » technologies _, technologies a
new information » _ information, energy information, chief information
a development » _ development, clean development, asian development
development a » development _, development bank, development banks
networks a » networks _, network _
based de » based ndc, based _

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

• Adding a wildcard symbol may retrieve word variants: technologies new information based de oral communication networks a development a afrique.*.