Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
time communication » de communication, mobile communication, online communication
models development » model development, module development, model developments
technology's role » technology role
development from » development forum, development fund
role relations » whole relations, race relations, people relations
relations 3 » relations _, relations a
cost models » cost model, logit models
same time » space time
from day » from dar, from data, from dead
3 same » _ same, 3 safe, 3 sama

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

• Adding a wildcard symbol may retrieve word variants: technology's role relations 3 same time communication cost models development from day.*.