Perhaps you should try some spelling variations:
modern developments » model development, power developments, major developments
communication tasks » communicative tasks, communication tools, communication tres
technology des » technology does, technology debts, technology nodes
des relations » les relations, its relations, et relations
relations von » relation von, relationen von, relations among
tasks modern » tasks under, task model, task models
von primes » co primes

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

• Adding a wildcard symbol may retrieve word variants: technology des relations von primes mobile communication tasks modern developments _ de.*.