Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
communication cost » communication costs, communication costa, communications costs
information 2.4 » information 2.2, information 2.7, information 2.0
technologies 2 » technologies _, technologies 4
4 developing » 3 developing
developing a » developing _
a accessed » all accessed, last accessed, who accessed
2.4 whole » 2.2 whole, 2.4 while, 2.3.4 whole
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 2.4 whole class communication cost 4 developing a accessed.*.