Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 4.3 » communication 3.3, communication 4.1, communication 3
technologies 6a » technologies a, technologies 6, technologies 6.1
channels table » channels jane, channels role
developing en » developing e, developing eq, developing egg
a developing » a development
6a informal » 6.2 informal, 6.6 informal, _ informal
4.3 a » 4.3 _, 2.3 a, 4.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 6a informal channels table downward communication 4.3 a developing en afrique.*.