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 hoc » technology how, technology shock, technology hong
hoc regulation » do regulation, down regulation, bond regulation
regulation non » regulation can, regulating non, regulation box
cost models » cost model, logit models
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 hoc regulation non life time communication cost models development fund dar.*.