Perhaps you should try some spelling variations:
class communication » mass communication, plans communication, crisis communication
communication cost » communication costs, communication costa, communications costs
information 2.3.4 » information 2.3.2, information 2.3.1, information 2.3.3
technologies 2 » technologies _, technologies 4
developing who » developing good, developing crop, developing home
4 developing » 3 developing
who accessed » all accessed, who crossed
2.3.4 whole » 2.4 whole, 5.2.4 whole, 5.3.1 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 2.3.4 whole class communication cost 4 developing who accessed.*.