Perhaps you should try some spelling variations:
modern developments » model development, power developments, major developments
developments from » development from, developments after, developments _
de communication » mobile communication, online communication
study relation » study regulation, study selection, study iteration
costs modern » costs money, texts modern
relation co » relations co, relation c, relation von
co primes » co prime, _ primes
primes de » crimes de, prives de, mimes de
from dr » from dar, from de, from dem

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

• Adding a wildcard symbol may retrieve word variants: technology study relation co primes de communication costs modern developments from dr.*.