Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
data communication » data communications
models development » model development, module development, model developments
relations does » relations das, relations der, relations do
costa models » cost models, cost model, copula models
china dank » china data, china den, china daqing
does one » does money, does hong, does hope
one data » phone data, ozone data, core data

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

• Adding a wildcard symbol may retrieve word variants: technology _ relations does one data communication costa models development china dank.*.