Perhaps you should try some spelling variations:
oral communication » personal communication
technologies aids » technologies varies, technologies a, technologies de
aids information » chandos information, series information
development en » developpement en, development menu, development eco
information 1 » information 2, information 3, information 3.2
de oral » de otras, new oral
1 de » 1 die, 1 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information 1 de oral communication _ a development en afrique.*.