Perhaps you should try some spelling variations:
power development » water development, career development, hydropower development
communication set » communication sur, communication sector, communication state
development after » developments after, development master, development matter
technology class » technology glass, technology case, technology cross
en communication » open communication, lean communication, when communication
class relation » class relations, 4class relations, class correlation
relation 13.2 » relation 1.2.2, relation 3.3.2, relation 5.3.2
after action » after reaction, inter action, after abortion
13.2 crisis » 10.2 crisis, 13.3 crisis, 15.2 crisis
crisis en » crisis el, crisis eu, crisis _
set power » net power, soft power, best power

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

• Adding a wildcard symbol may retrieve word variants: technology class relation 13.2 crisis en communication set power development after action.*.