Perhaps you should try some spelling variations:
integration wages » integration wage, integration wege, integration wie
3.2 communication » 3 communication, 2.3 communication, de communication
dis integration » disintegration _
developpement l » developpement il, developpement la, developpement de
technology dis » technology does, technology 4ir, technology dlt
wages trade » wages race, wharves trade, states trade
trade 3.2 » trade 2.2, trade 2, trade 4.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology dis integration wages trade 3.2 communication costs _ developpement l afrique.*.