Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
developpement du » developpement de, developpement des, developpement et
information age » information storage, information access, information about
3 communication » 4 communication, de communication, data communication
e developpement » de developpement, le developpement, et developpement
du afrique » en afrique, l afrique, de l'afrique
age case » ages case, age care, age cave
case 3 » case 1, case 2

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 3 communication costa e developpement du afrique.*.