Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
time communication » de communication, mobile communication, online communication
model development » local development, social development, global development
development from » development forum, development fund
technology some » technology smes, technology soc, biotechnology some
some relation » comme relations, role relations, shape relation
relation co » relations co, relation c, relation von
primes time » price time
co primes » co prime, _ primes
from dark » from dar, from darth, from data

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

• Adding a wildcard symbol may retrieve word variants: technology some relation co primes time communication cost model development from dark.*.