Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
key development » city development, mena development, energy development
technology les » technology led, technology lays, technology lead
les relations » rules regulations
relations qos » relations 21st, relations _, relations a
china birth » chains birth, child birth, china north
qos spare » qos aware, you spare
costs key » costs amy
spare de » sparen der, sparen die, spare _

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

• Adding a wildcard symbol may retrieve word variants: technology les relations qos spare de communication costs key development china birth.*.