Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
technologien a » technologien am, technologien ad, technologien _
a information » 2 information, 1 information
2 personal » 1 personal, 4 personal
a areas » 1 areas, 2 areas, 4 areas
3.2 2 » 3.2 _, 3.2 a, 3.2 k

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

• Adding a wildcard symbol may retrieve word variants: technologien a information 3.2 2 personal communications costs _ development a areas.*.