Perhaps you should try some spelling variations:
information centre » information centers, information contents
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
2.1 information » 3.1 information
3 developing » 3 development
developing 1 » developing _, developing a, developing e
centre how » centre show, century how, center how
costs 3 » costs _, costs 4, costs a
how de » how doe, how do, how ae

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 centre how de communication costs 3 developing 1 africa.*.