Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
communication cost » communication costs, communication costa, communications costs
models development » model development, module development, model developments
technology soc » technology shock, technology some, technology set
relation down » relation von, relation de, relation des
soc relation » shot relation, soc correlation, hoc regulation
cost models » cost model, logit models
time time » same time, life time
fund dar » fund der, fund data, fund deal

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

• Adding a wildcard symbol may retrieve word variants: technology soc relation down time time communication cost models development fund dar.*.