Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
technologies new » technologies _, technologies a
information need » information needs, information based, information age
development band » development bank, development banks, development aid
new information » _ information, energy information, chief information
de development » e development, de developpement, code development

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies new information need de oral communication _ de development band afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information need de oral communication _ de development band afrique.*.