Perhaps you should try some spelling variations:
person communication » personal communication, personal communications, irsn communication
information 3.3.1 » information 3.3.3, information 5.3.1, information 2.3.1
technologies 2 » technologies _, technologies 4
developing 4 » developing _, developing a, developing e
eine person » one person, die person, single person
3.3.1 eine » 3.2.1 eine
4 areal » 4 real, _ areal, 2 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.3.1 eine person communication costs _ developing 4 areal.*.