Perhaps you should try some spelling variations:
modern developments » model development, power developments, major developments
communication tasks » communicative tasks, communication tools, communication tres
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 _
tasks modern » tasks under, task model, task models
von primes » co 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 sex relation von primes de communication tasks modern developments from dr.*.