Perhaps you should try some spelling variations:
information case » information based, information can, information costs
de communication » mobile communication, online communication
technologie und » technologies 2.1
und information » fund information, road information, award information
a developing » a development
costs a » costs _, costs 4
2 areas » 1 areas, 2 areal, 2.1 areas
4 areas » 1 areas, 4 areal, 3.4 areas
case 3 » case 1, case 2
3 de » 3 die, 3 der, 3 des

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie und information case 3 de communication costs a developing ((2 areas) OR (4 areas)).~".
• Adding a wildcard symbol may retrieve word variants: technologie und information case 3 de communication costs a developing ((2 areas) OR (4 areas)).*.