Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
overview section » overview social
le developpement » de developpement, sme development
developpement et » developpement des, developpement de, development east
trade mobile » trade motives, trade profile, trade models
et afrique » en afrique, l afrique
section 2 » section 1
costs le » costs _, costs 4, costs a
2 trade » 1 trade, 4 trade

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

• Adding a wildcard symbol may retrieve word variants: methods overview section 2 trade mobile communications costs le developpement et afrique.*.