Perhaps you should try some spelling variations:
firms integration » dis integration, res integration, focus integration
3.2 communication » 3 communication, 2.3 communication, de communication
technology firms » technology from, technology platforms, technology fund
integration wage » integration wege, integration wie, integration work
a developpement » au developpement, de developpement, le developpement
des afrique » en afrique, de l'afrique
wage trade » wages trade, wage rate, jade trade
trade 3.2 » trade 2.2, trade 2, trade 4.1
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 firms integration wage trade 3.2 communication costs a developpement des afrique.*.