Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
data communication » data communications
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
information a » information age, information about
developing v » developing av, developing _, developing a
debate data » debates data, debate saman
a debate » _ debate, a debattre, el 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 a debate data communication cost 5.4 developing v africa.*.