Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
de developpement » sme development
information auf » information age, information a, information act
3 communication » 4 communication, de communication, data communication
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
auf case » auf das, off case
costs de » costs _, costs 4, costs a
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 auf case 3 communication costs de developpement l afrique.*.