Perhaps you should try some spelling variations:
communication 10.2.5 » communication 1.2.2, communication 10.3.6, communication 10.4.3
de communication » mobile communication, online communication
developing areas » developing asia, developing east, developing a
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information a » information age, information about
4 developing » 3 developing
areas africa » arabs africa, dress africa, farmers africa
10.2.5 4 » 10.2.5 _, 10.2.5 k, 10.2.1 _
31 de » 1 de, 3 de, 35 de
a 31 » a 3.1, am 31, au 31

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

• Adding a wildcard symbol may retrieve word variants: technologies a information a 31 de communication 10.2.5 4 developing areas africa.*.