Perhaps you should try some spelling variations:
technology transport » technology transfer, technology transfers, technology transters
transport decision » transport decisions, transport design, transport emissions
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
developpement en » developpement et, developpement des, developpement de
e developpement » de developpement, le developpement, et developpement
decision wage » decision water, decision maker, decision based
wage rate » wage rates
rate 3.7 » rate 2.7, rate 3.4, rate 3.6
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 transport decision wage rate 3.7 communication costs e developpement en afrique.*.