Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
clean development » human development, urban development
ecit integration » et integration, ict integration, cpu integration
technology ecit » technology eimt, technology e
integration wie » integration sowie, integration wage, integration wege
development de » development d, development ds, developpement de
costs clean » costs clear
de afrique » de l'afrique, en afrique, l afrique
wie rate » wie katie, wie hat, wie rene
rate 4.2 » rates 4.2, rate 4.3, rate 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology ecit integration wie rate 4.2 communications costs clean development de afrique.*.