Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology transfers » technology transfer
des developpement » des developpements, de developpement, le developpement
transfers sector » transport sector, transfer factor, transfers better
3 communications » 3 communication, 2 communications, 4 communications
developpement la » developpement de, developpement et, developpement du
sector wage » sector wages
la afrique » l afrique, la fabrique, en afrique
wage rate » wage rates
costs des » costs fees
rate 3 » rate _, rate 4, rate a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology transfers sector wage rate 3 communications costs des developpement la afrique.*.