Perhaps you should try some spelling variations:
opfer communication » proper communication, fiber communication, power communication
technologies trade » technology trade, technologies case, technologies table
trade development » software development
development pan » development plan, development plans, development japan
pan african » pan american, can africa, pan africanism
die opfer » der opfer, die open, die topferei
der die » oder die, der dinge, wider die

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

• Adding a wildcard symbol may retrieve word variants: technologies trade integration der die opfer communication _ trade development pan african.*.