Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information wages » information age, information wants, information war
technology trade » technology trends, technology transfer, technology transfers
le developpement » de developpement, sme development
4 communication » 3 communication, 5.4 communication, de communication
wages trade » wages race, wharves trade, states trade
des afrique » en afrique, de l'afrique
costs le » costs _, costs 4, costs a
trade 4 » trade _, trade a

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

• Adding a wildcard symbol may retrieve word variants: technology trade information wages trade 4 communication costs le developpement des afrique.*.