Perhaps you should try some spelling variations:
integration matters » integration after, integration mittel, integration materials
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement de » developpement des, developpement durable
4ir integration » zur integration, der integration, 4 integration
4 developpement » de developpement, le developpement, et developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
matters trade » matter trade, charters trade, members trade
de afrique » de l'afrique, en afrique, l afrique
trade 2.7 » trade 2.2, trade 2.1, trade 4.7
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integration matters trade 2.7 communication costs 4 developpement de afrique.*.