Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement du » developpement de, developpement des, developpement et
e developpement » de developpement, le developpement, et developpement
technology use » technology 1, technology 2.2, technology 3
decision wage » decision water, decision maker, decision based
use decision » use decisions, de decision, ante decision
du afrique » en afrique, l afrique, de l'afrique
wage rate » wage rates
rate 3.5 » rate 3.4, rate 3.6, rate 7.5
costs e » 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 use decision wage rate 3.5 communication costs e developpement du afrique.*.