Perhaps you should try some spelling variations:
development master » development matters, development chapter, development pattern
eu communication » ec communication, et communication, de communication
technology use » technology 1, technology 2.2, technology 3
relation 5.3.2 » relation 3.3.2, relation 5.2.2, relations 2.3.2
use relation » une relation, use regulation, die relation
5.3.2 crises » 5.3.2 rise, 6.3.2 crisis, 5.3.2 case
costs sector » ports sector, cost vector, dots sector
crises eu » crises et, crisis eu, crises luc
err. » kerr., herr.

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

• Adding a wildcard symbol may retrieve word variants: technology use relation 5.3.2 crises eu communication costs sector development master err.*.