Perhaps you should try some spelling variations:
other developments » further developments, further development, water development
developments from » development from, developments after, developments _
technology race » technology rate, technology role, technology rich
race relations » trade relations
relations a » relations _
costs other » costs over
a crisis » 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology race relations a crisis _ communication costs other developments from africa.*.