Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
technologies new » technologies _, technologies a
new information » _ information, energy information, chief information
development aid » development a, development bank, development _
information et » information act, information _, information need
a development » _ development, clean development, asian 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 et de oral communication _ a development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information et de oral communication _ a development aid afrique.*.