Perhaps you should try some spelling variations:
information centers » information contents, information officers
class communication » mass communication, plans communication, crisis communication
technologies 2 » technologies _, technologies 4
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing can » developing a, developing ai, developing av
centers let » center left, center lefts, centers help
can africa » urban africa
let class » per class, latent class

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centers let class communication costs 4.2 developing can africa.*.