Perhaps you should try some spelling variations:
technologien system » technological system, technology system, technological systems
communication using » communications using, communication during, communicating using
system information » systems information, system formation, systeme d'information
face communication » voice communication, de communication, time communication
all developing » small developing, all development, 3 developing
developing 4 » developing _, developing a, developing e
using all » using als, using small, using a
der face » der farce, der fake, der facher
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien system information _ der face communication using all developing 4 areas.*.