Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
face communication » voice communication, de communication, time communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3.2 development » 1 development, mena development
context data » kontext das
data face » data race, data facts, data races
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
a africa » 1 africa, can 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 data face communication costs 3.2 development a africa.*.