Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
integration wege » integration wage, integration wie, integration work
developpement il » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
technology zur » technology 4ir, technologien zur, technology _
wege trade » we trade
il afrique » l afrique, en afrique
trade 4.1 » trade 2.2, trade 3.2
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 zur integration wege trade 4.1 communication costs 4 developpement il afrique.*.