Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
risk integration » ark integration, book integration, look integration
integration wage » integration wege, integration wie, integration work
a developpement » au developpement, de developpement, le developpement
des afrique » en afrique, de l'afrique
wage rate » wage rates
rate 4.1 » rates 4.1, rate 4.3, rate 4.2
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 risk integration wage rate 4.1 communication costs a developpement des afrique.*.