Perhaps you should try some spelling variations:
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
2.1 information » 3.1 information
development cil » development child, development chile, development cell
costs 2 » costs 20, costs _, costs 4
4.2 a » 4.2 _, 2.2 a, 3.2 a
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 4.2 a de communication costs 2 development cil across.*.