Perhaps you should try some spelling variations:
models development » model development, module development, model developments
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
development case » development china
relations waste » relations west, relations western, relations system
technology des » technology does, technology debts, technology nodes
des relations » les relations, its relations, et relations
cost models » cost model, logit models
waste time » wasting time, waste regime
case darth » case part, case data
time de » time die, estime de, time done

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

• Adding a wildcard symbol may retrieve word variants: technology des relations waste time de communication cost models development case darth.*.