Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
del developpement » de developpement, des developpements, le developpement
technology trade » technology trends, technology transfer, technology transfers
information rate » information ratio, information related, information matter
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
rate file » case file, rate fee, rate firm
costs del » costa del, costo del
file 4 » file 14, file 24, file 34

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

• Adding a wildcard symbol may retrieve word variants: technology trade information rate file 4 communication costs del developpement en afrique.*.