Perhaps you should try some spelling variations:
information some » information source, information stored, information space
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
3 developing » 3 development
developing 2 » developing _, developing a, developing e
some deepen » some deeper, some deep
deepen de » deepen _, deep node
costs 3 » costs _, costs 4, costs a
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information some deepen de communication costs 3 developing 2 areas.*.