Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
developing data » developing a, developing asia, developing east
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
data america » data numerical, latina america, latin america
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 cost 2.4 developing data america.*.