Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
deal communication » real communication, oral communication, cell communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
information 1.2 » information 1.5.2, information 2
developing east » development east, developing a, developing asia
4 developing » 3 developing
east access » cost access, easier access, last accessed
why deal » why real
1.2 why » 1.2 what
case 4 » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 1.2 why deal communication case 4 developing east access.*.