Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3.3 developing » 4 developing, 2 developing, 1 developing
contents 4.3 » contents 2.3, contents 4.1, contents 4.4
developing 1 » developing _, developing a, developing e
phase 3.3 » phase 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents 4.3 _ communication phase 3.3 developing 1 africa.*.