Perhaps you should try some spelling variations:
data communication » data communications
information class » information classes, information case, information costs
use information » user information, house information, users information
technology use » technology 1, technology 2.2, technology 3
developing wup » developing amp, developing bop, developing crop
class debate » grass debatte, class state, care debate
4 developing » 3 developing
debate data » debates data, debate saman
wup africa » eu africa
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 use information class debate data communication costs 4 developing wup africa.*.