Perhaps you should try some spelling variations:
developments from » development from, developments after, developments _
technology trade » technology trends, technology transfer, technology transfers
de communication » mobile communication, online communication
oer developments » other developments, power developments, open developments
trade relations » trade regulation
relations 1 » relations _, relations a, relations 3
crisis de » crisis del, crisis due, crisis debt
costs oer » costs over, costs other
1 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 trade relations 1 crisis de communication costs oer developments from africa.*.