Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
de communications » de communication, do communications, mce communications
del developpement » de developpement, des developpements, le developpement
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
information age » information storage, information access, information about
costs del » costa del, costo del
age case » ages case, age care, age cave
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 communications costs del developpement en afrique.*.