Perhaps you should try some spelling variations:
information changes » information exchanges, information channels, information exchange
trade information » price information, private information, trade integration
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
technology trade » technology trends, technology transfer, technology transfers
au developpement » du developpement, de developpement, le developpement
developpement et » developpement des, developpement de, development east
changes de » changes due, changes do, changes did
et afrique » en afrique, l afrique
costs au » costs a, costs amy, costs _
de 3.5 » de 3.2, de 3.3, de 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology trade information changes de 3.5 communication costs au developpement et afrique.*.