Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
technologies aids » technologies varies, technologies a, technologies de
aids information » chandos information, series information
information need » information needs, information needed, information speed
code development » model development, care development, case development
modes code » model code, model codes, modes modes

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies aids information need does risk communication modes code development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies aids information need does risk communication modes code development _ afrique.*.