Perhaps you should try some spelling variations:
oral communication » personal communication
information speed » information sheet, information needed, information needs
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
en africa » em africa, eu africa, en america
via oral » via odal, via local, via modal

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information speed via oral communication _ des developpement en africa.*.