Perhaps you should try some spelling variations:
menschen communication » teacher communication, strengthen communication, between communication
driving development » draining development, driven development, giving development
development chapter » development center, development case
relations 8.5 » relations 2.5, relations 7.5, relations 1.5
costs driving » costs arising, costs defining, points driving
technology 1 » technology _
den menschen » des menschen, der menschen, von menschen
1 relations » 3 relations, a relations, 1.2 relations
chapter ten » chapter two, chapter three, chapter nine
8.5 den » 8.5 gene

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations 8.5 den menschen communication costs driving development chapter ten.*.