Perhaps you should try some spelling variations:
real communication » oral communication, cell communication, health communication
communication cost » communication costs, communication costa, communications costs
technologies 2 » technologies _, technologies 4
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing em » developing e, developing eq, developing amp
contents je » contents key, contents 1, contents _
em africa » 1 africa
cost 3.2 » cost 2.4
je real » des real, ceo real, use real

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 je real communication cost 3.2 developing em africa.*.