Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
leur developpement » le developpement, deux developpements, de developpement
developpement de » developpement des, developpement durable
ict information » ct information, iot information, ist information
technology ict » technology 1
information 2 » information 3
costs leur » costs clear
de afrique » de l'afrique, en afrique, l afrique
sef data » dlf data, imf data, rdf data
2 sef » 2 self, 2 set, 1 sef

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

• Adding a wildcard symbol may retrieve word variants: technology ict information 2 sef data communications costs leur developpement de afrique.*.