Perhaps you should try some spelling variations:
oral communication » personal communication
technologies case » technologies based, technologies can, technologies create
case information » care information, based information, phase information
information 15.2 » information 1.5.2, information 1.2, information 1.3
zu developpement » du developpement, au developpement, ou developpement
communication 2 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
15.2 2 » 15.2 _, 15.2 a
2 oral » _ oral, 4 oral
2 zu » 2 zur, 2 zum

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 15.2 2 oral communication 2 zu developpement l afrique.*.