Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
information 3.5.2 » information 1.5.2, information 3.2.2, information 3.3.2
technologien des » technologien fur, technologien und, technologies 2
developing based » development based, developing asia, developing east
des information » des informations, does information, dis information
4 developing » 3 developing
based access » basic access, basin access, case access
1 personal » a personal, 4 personal, 1945 personal
3.5.2 1 » 3.5.2 _, 3.5.2 11c, 3.5.2 eu
costa 4 » cost 4, costa e, costa 3

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.5.2 1 personal communication costa 4 developing based access.*.