Perhaps you should try some spelling variations:
integration wage » integration wege, integration wie, integration work
de developpement » sme development
developpement de » developpement des, developpement durable
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
3 communication » 4 communication, de communication, data communication
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
wage trade » wages trade, wage rate, jade trade
de afrique » de l'afrique, en afrique, l afrique
costs de » costs _, costs 4, costs a
trade 3 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 integration wage trade 3 communication costs de developpement de afrique.*.