Perhaps you should try some spelling variations:
technology model » technology models, technology code, technology moral
de communication » mobile communication, online communication
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
simulation 4.3 » simulation 14.3, simulation 4.1, simulation 4.2
l afrique » en afrique
costs le » costs _, costs 4, costs a
4.3 pre » 3.3 pre, 2.3 pre, 4.3 part
pre de » pre lude

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

• Adding a wildcard symbol may retrieve word variants: technology model simulation 4.3 pre de communication costs le developpement l afrique.*.