Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
class communication » mass communication, plans communication, crisis communication
communication cost » communication costs, communication costa, communications costs
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
6.4 developing » 5.4 developing, 3.3 developing, 2.2 developing
context based » content based, control based, text based
developing v » developing av, developing _, developing a
based class » base class, based glass, based case
cost 6.4 » costs 6.4, 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: technologies 2.1 information context based class communication cost 6.4 developing v africa.*.