Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
technology trade » technology trends, technology transfer, technology transfers
information gas » information gaps, information gap, information goods
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade information gas prices 3.1 communication costs a developpement l afrique.*.