Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
5.4 communication » de communication, data communication
developpement l » developpement il, developpement la, developpement de
technologies 4 » technologies _
formation des » formation _
4 formation » 1 formation, a formation, 4 formulation
l afrique » en afrique
des dem » das dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 formation des dem 5.4 communication a trade developpement l afrique.*.