Perhaps you should try some spelling variations:
get communication » et communication, debt communication, de communication
used information » user information, use information, based information
technology used » technology use, technology based, technology users
11.7 developing » 11.5 developing, 12.7 developing, 11.7.4 developing
contents 1.1 » contents 10.1, contents 11.1, contents 12.1
developing e » developing _, developing a, developing east
costs 11.7 » costs 11.1, costs 11.4, costs 1.1.3
e africa » em africa, de africa, eu africa
1.1 get » 11 get, 5.1 get

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

• Adding a wildcard symbol may retrieve word variants: technology used information contents 1.1 get communication costs 11.7 developing e africa.*.