Perhaps you should try some spelling variations:
information century » information centers, information centre, information center
communication cost » communication costs, communication costa, communications costs
technologies 2.1 » technologies _, technologies 4, technologies a
et communication » et communicatione, get communication, debt communication
2.1 information » 3.1 information
2 developing » 3 developing, 4 developing, 2 development
century how » century book
how et » how etf, how eu, how best
cost 2 » cost 12, cost _, cost 4

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 century how et communication cost 2 developing _ africa.*.