Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
speed communications » based communication, cell communications, guinea communications
low developpement » le developpement, ou developpement, leur developpement
developpement l » developpement il, developpement la, developpement de
vt information » ct information, get information, iot information
technology vt » technology vi, technology 1, technology 3
models speed » model speed, models some, models self
3.2 models » 3.2 model, 3.1 models, 4.2 models
costs low » cost low, costs how, costs down
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology vt information 3.2 models speed communications costs low developpement l afrique.*.