Perhaps you should try some spelling variations:
technology's role » technology role
role information » rhode information, more information, one information
3 communication » 4 communication, de communication, data communication
developing city » developing cities, developing data, developing high
model related » model refined
1 developing » 3 developing, 4 developing, 2 developing
city africa » china africa, cults africa
related 3 » related _, related 1, related ht
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology's role information model related 3 communication costs 1 developing city africa.*.