Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
developing cities » developing countries, developing annuities, developing economies
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
1.5 developing » 1.3 developing, 15 developing, 1.4 developing
cities africa » societies africa, parties africa, rates africa
cost 1.5 » cost 11.5, cost 1.2, cost 15
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information context 3 de communication cost 1.5 developing cities africa.*.