Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 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 2.7 » rate 2.4, gate 2.7, rate 2.3
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 2.7 communication costs e developpement du afrique.*.