Perhaps you should try some spelling variations:
communication china » telecommunication china, communication costs, communication cross
information 2.2.1 » information 12.2.1, information 2.2.2, information 2.2.3
de communication » mobile communication, online communication
past development » past developments, post development, fast development
technologies 2 » technologies _, technologies 4
bank african » bank africa, pan african, baga african
2.2.1 under » 2.2.1 der
china past » china 21st
under de » under det, under deep, under deng

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2.2.1 under de communication china past development bank african.*.