Perhaps you should try some spelling variations:
mean communication » lean communication, modern communication, human communication
communication cost » communication costs, communication costa, communications costs
technologies 2 » technologies _, technologies 4
3.3 developing » 4 developing, 2 developing, 1 developing
contents data » context data, contents a, contents fase
developing eu » developing e, developing eq, developing egg
data mean » data map
eu africa » em africa, 1 africa, 11 africa
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents data mean communication cost 3.3 developing eu africa.*.