Perhaps you should try some spelling variations:
re communication » de communication, true communication, une communication
developing areas » developing asia, developing east, developing a
information 3 » information 2
technology 1 » technology _
4 developing » 3 developing
areas africa » arabs africa, dress africa, farmers africa
double re » double de, double role, double des
3 double » _ double, a double
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 1 information 3 double re communication costs 4 developing areas africa.*.