Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologies aids » technologies varies, technologies a, technologies de
aids information » chandos information, series information
la communication » data communication, data communications
14.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing a » developing _
centers how » center how, centers hold, century how
cost 14.4 » costs 14.3, cost 2.4, cost 1.2
a africa » 1 africa, can africa, em africa
how la » how law, how land

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information centers how la communication cost 14.4 developing a africa.*.