Perhaps you should try some spelling variations:
integration wages » integration wage, integration wege, integration wie
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
die integration » trade integration
technology die » technologie die, technology does, technology 4ir
wages trade » wages race, wharves trade, states trade
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology die integration wages trade 6.2 communication costs le developpement en afrique.*.