Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
les communications » laos communications, nps communications, u.s communications
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
information 5.2 » information 15.2, information 1.2, information 5.4
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
costs 12.4 » costs 11.4, costs 12.3, costs 2.4
5.2 who » 5.2 what
who les » who loses, who loves, who flies

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 5.2 who les communications costs 12.4 developing _ access.*.