Perhaps you should try some spelling variations:
developments interest » development internal, development inter, development interfaces
trough communication » through communication, thought communication, touch communication
other developments » further developments, further development, water development
technology state » technology strategy, technology system, technology study
state relations » state regulation, trade relations, race relations
relations 2.1 » relations 3.1, relations 1, relations _
costs other » costs over
fip trough » his trough
interest a » interest _, interest 1, interest 3
2.1 fip » 2.1 fifo, 2.1 film

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

• Adding a wildcard symbol may retrieve word variants: technology state relations 2.1 fip trough communication costs other developments interest a.*.