Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
technology some » technology smes, technology soc, biotechnology some
some relation » comme relations, role relations, shape relation
relation von » regulation von, korrelation von, relation _
time mobile » die mobile, time module, anima mobile
cost models » cost model, logit models
fund data » wind data
von time » non time, von tim, down time

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

• Adding a wildcard symbol may retrieve word variants: technology some relation von time mobile communication cost models development fund data.*.