Perhaps you should try some spelling variations:
information centers » information contents, information officers
c's communication » lea's communication, class communication, mass communication
developing areas » developing asia, developing east, developing a
technologies pt » technologies _, technologies 4, technologies 2
pt information » ct information, plot information, get information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
areas africa » arabs africa, dress africa, farmers africa
centers 1 » centers 10, centers 21, centers _
costs 4.4 » costs 4.2
1 c's » 3 c's, _ c's

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

• Adding a wildcard symbol may retrieve word variants: technologies pt information centers 1 c's communication costs 4.4 developing areas africa.*.