Perhaps you should try some spelling variations:
later developments » water development, rate developments, leader development
developments from » development from, developments after, developments _
technology class » technology glass, technology case, technology cross
el communication » cell communication, real communication, 3 communication
class relations » les relations, class recreation
relations 1.1 » relations 2.1, relations 3.1, relations 5.1
costs later » costs water, costs matter, costs labor
1.1 crisis » 11 crisis, 2.1 crisis, 3.1 crisis
crisis el » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology class relations 1.1 crisis el communication costs later developments from state.*.