Perhaps you should try some spelling variations:
development center » development case
technology system » technology series, technology sector, technology set
system traditions » system tradition, system transitions, systemic tradition
later development » later developments, water development, late development
de communication » mobile communication, online communication
traditions 1.2 » traditions 12, transitions 1.2, tradition 3.2
costs later » costs water, costs matter, costs labor
1.2 crisis » 10.2 crisis, 13.2 crisis, 15.2 crisis
center art » center area, center harc, century art
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 system traditions 1.2 crisis de communication costs later development center art.*.