Perhaps you should try some spelling variations:
peter developments » later developments, power developments, newer developments
introduction 13.3 » introduction 13.2, introduction 3.3, introduction 1.3
developments from » development from, developments after, developments _
de communication » mobile communication, online communication
et introduction » net introduction, set introduction, east introduction
technology et » technology e, technology ecit, technology eimt
13.3 crisis » 13.2 crisis, 3.1 crisis, 1.1 crisis
costs peter » costs per, costs water, costs matter
crisis de » crisis del, crisis due, crisis debt
from all » from a

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

• Adding a wildcard symbol may retrieve word variants: technology et introduction 13.3 crisis de communication costs peter developments from all.*.