Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3 developing » 3 development
about later » about water, about labor, about chapter
later class » latent class, master class, lower class
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information about later class communication costs 3 developing _ areas.*.