Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
like communication » elite communication, time communication, online communication
technology social » technology series
social validation » social evaluation, scale validation, model validation
rate developments » trade developments, price developments, site development
validation from » valorisation from, validation error, validation o
from which » from rich
which like » which life, which late, which lies
cost rate » cost ratio, cost data, cost base

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

• Adding a wildcard symbol may retrieve word variants: technology social validation from which like communication cost rate developments _ car.*.