Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
true communication » truth communication, time communication, stroke communication
developments from » development from, developments after, developments _
per developments » oer developments, power developments, open developments
technology shot » technology shock, technology set, technology soc
shot relation » shape relation
relation c » relation _, relation a, relation 1
prime true » crime true
from dark » from dar, from darth, from data
c prime » co prime, 1 prime, _ prime

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

• Adding a wildcard symbol may retrieve word variants: technology shot relation c prime true communication cost per developments from dark.*.