Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information wages » information age, information wants, information war
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology trade » technology trends, technology transfer, technology transfers
developpement il » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
wages trade » wages race, wharves trade, states trade
il afrique » l afrique, en afrique
trade 2.7 » trade 2.2, trade 2.1, trade 4.7
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 wages trade 2.7 communication costs a developpement il afrique.*.