Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
technology 3.1 » technology 1, technology 2.2, technology _
selection wage » selection stage, selection based, selection chase
3.1 selection » 3.2 selection
et afrique » en afrique, l afrique
wage rate » wage rates
costs des » costs fees
rate 3.2 » rates 3.2, rate 4.2, rate 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 selection wage rate 3.2 communication costs des developpement et afrique.*.