Perhaps you should try some spelling variations:
technological system » technological systems, technological waste, technical system
communicating using » communications using, communication using, communicating putting
face communicating » face communications, face communication, face communicative
system formation » system transformation, systeme d'information, system function
all developing » small developing, all development, 3 developing
developing a » developing _
using all » using als, using small, using a
der face » der farce, der fake, der facher
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technological system formation _ der face communicating using all developing a areas.*.