Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
de communication » mobile communication, online communication
developing areas » developing asia, developing east, developing a
od information » d information, nd information, road information
technology od » technology one, technology 1, technology 3
costs decades » lost decades, last decades, past decades
4 developing » 3 developing
areas africa » arabs africa, dress africa, farmers africa
decades de » decades _, decades a, decada de
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology od information costs decades de communication costs 4 developing areas africa.*.