Perhaps you should try some spelling variations:
communication costo » communication costs, communication costa, communications costs
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
de communication » mobile communication, online communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
information age » information storage, information access, information about
age case » ages case, age care, age cave
costo le » costo e, costo del
case de » case des, case d, case d1

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

• Adding a wildcard symbol may retrieve word variants: technology trade information age case de communication costo le developpement en afrique.*.