Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
many communication » way communication, human communication, daily communication
technologies case » technologies based, technologies can, technologies create
case information » care information, based information, phase information
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
developing a » developing _
center how » century how, better how, gender how
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies case information center how many communication costs 3.1 developing a africa.*.