Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
model information » model innovation, level information, medical information
technology model » technology models, technology code, technology moral
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
l afrique » en afrique
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology model information gap prices 3.1 communications costs le developpement l afrique.*.