Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
contents loss » content loss, contents less, contents lists
developing de » developing e, developing ce, developing deep
de america » _ america, en america, desde america
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
loss de » loss re, loss fee

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents loss de communication costs 2.4 developing de america.*.