Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien ids » technologien des, technologien als, technologien im
ids information » aids information, dis information, mis information
developing asia » development asia, developing a
information 1 » information 2, information 3, information 3.2
die personal » die personale, de personal, die persona
asia optimal » via optimal, area optimal, using optimal
1 die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information 1 die personal communication costs _ developing asia optimal.*.