Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information 3.3.4 » information 3.3.3, information 3.3.2, information 3.4.4
ear communication » csr communication, ec communication, layer communication
technologies 2 » technologies _, technologies 4
e3 developing » 3 developing, 13 developing, 3.3 developing
developing a » developing _
3.3.4 who » 3.1.4 who, 3.3.3 who, 6.3.4 who
a access » 2 access, 3 access, 4 access
who ear » who wear, who bears, who fears
cost e3 » cost 2.3, cost edd

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.3.4 who ear communication cost e3 developing a access.*.