Perhaps you should try some spelling variations:
technology trade » technology trends, technology transfer, technology transfers
integration wage » integration wege, integration wie, integration work
de developpement » sme development
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
wage trade » wages trade, wage rate, jade trade
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 trade integration wage trade 3 communication costs de developpement de l'afrique.*.