Perhaps you should try some spelling variations:
information centre » information centers, information contents
communication cost » communication costs, communication costa, communications costs
from information » from informal, 1 information
ec communication » de communication, 3 communication, 4 communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing de » developing e, developing ce, developing deep
centre book » century book, centre room, centre work
de africa » does africa, de america, use africa
cost 3.2 » cost 2.4
book ec » book c, book end

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

• Adding a wildcard symbol may retrieve word variants: technology from information centre book ec communication cost 3.2 developing de africa.*.