Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
4.1 integration » 3.3 integration, 4 integration, 3 integration
technology 4.1 » technology 3.1, technology 2.1, technology 1
integration 4 » integration 3
trade 2.2 » trade 3.2, trade 4.1
costs de » costs _, costs 4, costs a
4 trade » 1 trade

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

• Adding a wildcard symbol may retrieve word variants: technology 4.1 integration 4 trade 2.2 communication costs de developpement en afrique.*.