Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
1.1 communications » 1.1 communication, 3.1 communications, 4.1 communication
about developments » about development, account developments, abroad developments
inflation rates » inflation rate
developments 1 » developments _, developments 4, developments 3
rates private » rate private, patents private, related private
private 1.1 » private 1.2, private 3.3, private 4.2
costs about » sorts about, doubts about, points about

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation rates private 1.1 communications costs about developments 1 africa.*.