Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
4ir integration » zur integration, der integration, 4 integration
integration u.s » integration und, integration 3.2, integration 2.1
technology 4ir » technology 4, technology 4.1, technology 4.2
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
costs de » 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 4ir integration u.s trade 6.2 communication costs de developpement en afrique.*.