Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
time communication » de communication, mobile communication, online communication
model developments » model development, modern developments, code developments
developments from » development from, developments after, developments _
technology soc » technology shock, technology some, technology set
soc relation » shot relation, soc correlation, hoc regulation
relation von » regulation von, korrelation von, relation _
time time » same time, life time
von time » non time, von tim, down time
from dar » from day, from dr, from data

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

• Adding a wildcard symbol may retrieve word variants: technology soc relation von time time communication cost model developments from dar.*.