Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement de » developpement des, developpement durable
4.1 integration » 3.3 integration, 4 integration, 3 integration
technology 4.1 » technology 3.1, technology 2.1, technology 1
de fabrique » la fabrique, de l'afrique
costs leur » costs clear
trade 2.2 » trade 3.2, trade 4.1
3 trade » 1 trade, 4 trade, 2 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 3 trade 2.2 communication costs leur developpement de fabrique.*.