Perhaps you should try some spelling variations:
peter developments » later developments, power developments, newer developments
introduction 13.2 » introduction 3.2, introduction 10.2, introduction 1.2
de communication » mobile communication, online communication
et introduction » net introduction, set introduction, east introduction
technology et » technology e, technology ecit, technology eimt
13.2 crisis » 10.2 crisis, 13.3 crisis, 15.2 crisis
costs peter » costs per, costs water, costs matter
crisis de » crisis del, crisis due, crisis debt

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

• Adding a wildcard symbol may retrieve word variants: technology et introduction 13.2 crisis de communication costs peter developments _ all.*.