Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
integration wege » integration wage, integration wie, integration work
en developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
2.2 integration » 3.2 integration, 5.2 integration, 3.3 integration
technology 2.2 » technology _, technology 1, technology 3
de afrique » de l'afrique, en afrique, l afrique
wege rate » wage rate, wage rates
rate 5.2 » rates 5.2, rate 5.4, rate 4.2
costs en » 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 2.2 integration wege rate 5.2 communication costs en developpement de afrique.*.