Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement en » developpement et, developpement des, developpement de
integration wie » integration sowie, integration wage, integration wege
1 integration » 10 integration, 11 integration, 12 integration
technology 1 » technology _
wie trade » die trade, we trade, white trade
trade 2.7 » trade 2.2, trade 2.1, trade 4.7

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

• Adding a wildcard symbol may retrieve word variants: technology 1 integration wie trade 2.7 communication costs _ developpement en afrique.*.