Perhaps you should try some spelling variations:
zones communications » honest communication, leone communications, les communications
communications costs » communication costs, communications _
transfer section » transfer reduction, transfer stations, transfer function
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
section 3 » section 1, section 2
3 trade » 1 trade, 4 trade, 2 trade
costs a » 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 transfer section 3 trade zones communications costs a developpement en afrique.*.