Perhaps you should try some spelling variations:
data communication » data communications
communication cost » communication costs, communication costa, communications costs
used information » user information, use information, based information
technology used » technology use, technology based, technology users
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
developing v » developing av, developing _, developing a
debate data » debates data, debate saman
law debate » law debates, a debate, war debate
cost 5.4 » costs 5.4, cost 2.4, cost 3.4
v africa » 1 africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technology used information law debate data communication cost 5.4 developing v africa.*.