Perhaps you should try some spelling variations:
mutual communication » cultural communication, virtual communication, natural communication
des developpements » deux developpements, de developpement, et developpements
developpements use » developpement une, developpements de, developpement de
information speed » information sheet, information needed, information needs
technologies ids » technologies icts, technologies iv, technologies 3d
ids information » aids information, dis information, mis information
speed two » speed so
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies ids information speed two mutual communication a des developpements use africa.*.