Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
communication cost » communication costs, communication costa, communications costs
information 5.3.1 » information 4.3.3, information 2.3.2, information 3.3.3
technologies 2 » technologies _, technologies 4
4 developing » 3 developing
developing a » developing _
5.3.1 whole » 5.2.1 whole, 5.5.1 whole, 8.3.1 whole
a accessed » all accessed, last accessed, who accessed
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 5.3.1 whole class communication cost 4 developing a accessed.*.