Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
et communication » et communicatione, get communication, debt communication
technologies 2 » technologies _, technologies 4
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
contents ne » contents new, contents je, contents note
em africa » 1 africa
cost 4 » cost _, cost 2.4

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 ne et communication cost 4 developing em africa.*.