Perhaps you should try some spelling variations:
communication event » communication events, communication present, communicative events
3.2 communication » 3 communication, 2.3 communication, de communication
development rates » development rate, development notes, development water
information 17.2 » information 1.2, information 15.2, information 11.2
yuan development » human development, plan development, can development
technologies 2 » technologies _, technologies 4
rates africa » state africa
event yuan » seven yuan
17.2 go » 17.2 do, 17.2 sago, 17.2 how
go 3.2 » go 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 17.2 go 3.2 communication event yuan development rates africa.*.