Perhaps you should try some spelling variations:
models development » model development, module development, model developments
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
costs models » cost models, cost model, potts models
waste time » wasting time, waste regime
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 costs models development case part.*.