Perhaps you should try some spelling variations:
higher development » hinder development, fishery development, highway development
technology race » technology rate, technology role, technology rich
conversations a » conversations _, conversation a, conversations pt
race relations » trade relations
costs through » pass through, risks through
relations 3 » relations _, relations a
a higher » a high, a highly
3 costs » 3 cost, 4 costs

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

• Adding a wildcard symbol may retrieve word variants: technology race relations 3 costs through conversations a higher development fund aortic.*.