Perhaps you should try some spelling variations:
model developments » model development, modern developments, code developments
communication task » communication tasks, communication trust, communicative tasks
developments from » development from, developments after, developments _
de communication » mobile communication, online communication
technology sex » technology set, technology self, technology smes
sex relation » der relation, sexual relation, tax relations
relation von » regulation von, korrelation von, relation _
von primes » co primes
task model » task models, risk model
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 sex relation von primes de communication task model developments from dr.*.