Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
trade development » software development
technology und » technology fund, technology used, technology use
innovation 4 » innovation _, innovation a, innovation 1
costs trade » costly trade
der actors » key actors, new actors, aet actors
4 der » _ der, 2 der, 3 der

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

• Adding a wildcard symbol may retrieve word variants: technology und innovation 4 der actors communication costs trade development africa asia.*.