Perhaps you should try some spelling variations:
south communication » south communications, mouth communications, month communication
model development » local development, social development, global development
development from » development forum, development fund
technology der » technology does, technology 4ir, technology dlt
der relation » der regulation, der relationen, der relativen
higher south » higher growth, higher cost, higher costs
relation co » relations co, relation c, relation von
costs model » cost model, cost models, costs money
co higher » do higher, can higher, a higher

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

• Adding a wildcard symbol may retrieve word variants: technology der relation co higher south communication costs model development from data.*.