Perhaps you should try some spelling variations:
dritten communication » written communication, written communications, unwritten communication
sets developpement » et developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
innovation 1 » innovation _, innovation a
l afrique » en afrique
a sets » _ sets, 5 sets, tla sets
1 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technologies _ innovation 1 der dritten communication a sets developpement l afrique.*.