Perhaps you should try some spelling variations:
den developpement » de developpement, en developpement, des developpements
communications a » communications _, communications law, communications media
developpement la » developpement de, developpement et, developpement du
technologies 2 » technologies _, technologies 4
information 21 » information 2.1, information 2, information 1
la afrique » l afrique, la fabrique, en afrique
4.1 data » 2.1 data, 3.1 data
21 4.1 » 2011 4.1, 2013 4.1, 2017 4.1
a den » _ den, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 21 4.1 data communications a den developpement la afrique.*.