Perhaps you should try some spelling variations:
formel communication » force communication, informal communication, oral communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information can » information case, information 1, information 1.2
developing asia » development asia, developing a
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
die formel » die formen, die formale, die form
asia areas » basic areas, aside areas, basin areas
can die » man die, can de, can drive

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information can die formel communication costs 4.2 developing asia areas.*.