Perhaps you should try some spelling variations:
old communication » world communication, good communication, oecd communications
developing areas » developing asia, developing east, developing a
technologies a » technologies _, technologies 4, technologies 2
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
a information » 2 information, 1 information
areas africa » arabs africa, dress africa, farmers africa
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technologies a information contents _ old communication costs 2.3 developing areas africa.*.