Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
technologies how » technologies new, technologies _, technologies a
have development » care development, trade development, chain development
how information » new information, job information, _ information
information et » information act, information _, information need
networks have » networks a
development a » development _, development bank, development banks

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies how information et de oral communication networks have development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies how information et de oral communication networks have development a afrique.*.