Perhaps you should try some spelling variations:
information states » information strategy, information systems, information studies
3.2 communication » 3 communication, 2.3 communication, de communication
from information » from informal, 1 information
4 development » 2 development, 4 developing
states trade » states state, states three
trade 3.2 » trade 2.2, trade 2, trade 4.1
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 from information states trade 3.2 communication costs 4 development 1 africa.*.