Perhaps you should try some spelling variations:
communication versus » communication verbal, communication overlap, communication values
class communication » mass communication, plans communication, crisis communication
developing country » developing countries
human developing » human development, women developing, urban developing
technologies 3 » technologies _, technologies 4, technologies 2
3 integration » die integration, der integration, data integration
integration 4 » integration 3
role class » whole class, race class, one class
4 role » 3 role

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 integration 4 role class communication versus human developing country risk.*.