Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
time communication » de communication, mobile communication, online communication
communication cost » communication costs, communication costa, communications costs
technologies a » technologies _, technologies 4, technologies 2
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
a information » 2 information, 1 information
context since » context single, context some, context using
developing v » developing av, developing _, developing a
since time » single time, space time
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 a information context since time communication cost 2.4 developing v africa.*.