Perhaps you should try some spelling variations:
technologies trade » technology trade, technologies case, technologies table
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
a developpement » au developpement, de developpement, le developpement
integration 2 » integration 3, integration 4, integration 3.2
de oral » de otras, new oral
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies trade integration 2 de oral communication 3 a developpement en afrique.*.