Perhaps you should try some spelling variations:
data communication » data communications
model developments » model development, modern developments, code developments
technology change » technological change, technological changes
developments case » development case, development cases, development cash
change relations » exchange relations, change relationship, changing relations
relations der » relations under, relations das, relations do
costs model » cost model, cost models, costs money
one data » phone data, ozone data, core data
case das » case des, case case, case data
der one » under one, der oder, der oper

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

• Adding a wildcard symbol may retrieve word variants: technology change relations der one data communication costs model developments case das.*.