Perhaps you should try some spelling variations:
information 13.1.1 » information 13.1.2, information 13.1.3, information 13.2.1
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
3 development » 2 development
13.1.1 das » 1.3.1.1 das, 3.1.1 das, 1.1.1 das
a access » 2 access, 3 access, 4 access
costs 3 » costs _, costs 4, costs a
das de » das der, das dem, das den

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 13.1.1 das de communication costs 3 development a access.*.