Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developing black » developing tpack, developing brain, developing brand
information new » information need, formation new, information needs
3.3 developing » 4 developing, 2 developing, 1 developing
black american » black africa
technology 1 » technology _
new decada » new decade
decada de » decade due, declarada de
costs 3.3 » costs 2.3, costs 3.5, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information new decada de communication costs 3.3 developing black american.*.