Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
amy developpement » au developpement, de developpement, le developpement
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
information war » information what, information wants, information when
costs amy » costs a
war case » dar case, war cash, war causes
case 6.2 » case 6.12, case f6.2, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade information war case 6.2 communication costs amy developpement en afrique.*.