Perhaps you should try some spelling variations:
communication model » communication media
time communication » de communication, mobile communication, online communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
15.2 time » 1.2 time, 10.2 time, 12.2 time
model de » model due, model d, model du
3 15.2 » _ 15.2, 引 15.2

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

• Adding a wildcard symbol may retrieve word variants: technology _ integration 3 15.2 time communication model de developpement en afrique.*.