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 1.2 » information 1.5.2, information 2
technologies 2 » technologies _, technologies 4
rates africa » state africa
event human » events human, event domain, learnt human
1.2 go » 4.2 go, 1.2 goal
go 3.2 » go 3.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information 1.2 go 3.2 communication event human development rates africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1.2 go 3.2 communication event human development rates africa.*.