Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
speed communications » based communication, cell communications, guinea communications
ou developpement » du developpement, au developpement, de developpement
can information » von information, von informationen
developpement l » developpement il, developpement la, developpement de
technology can » technology change, technology 1, technology 2.2
model speed » model species, model shared
3.2 model » 4.2 model
l afrique » en afrique
costs ou » costs how, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology can information 3.2 model speed communications costs ou developpement l afrique.*.