Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
information 1.2 » information 1.5.2, information 2
technologie 2 » technologies 2, technologie c, technologie 3
3 developing » 3 development
21 online » 2.1 online, 1 online, 2 online
a areas » 1 areas, 4 areas, all areas
2 areas » 1 areas, 2 areal, 4 areas
1.2 21 » 1.2 2.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologie 2 information 1.2 21 online communication a 3 developing ((a areas) OR (2 areas)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie 2 information 1.2 21 online communication a 3 developing ((a areas) OR (2 areas)).*".