Perhaps you should try some spelling variations:
d'une communication » de communication, prone communication, true communication
technology sector » technology series, technology social
trade development » software development
development after » developments after, development master, development matter
sector tradition » sector transition, sector transitions, sector's transition
tradition 3.1 » tradition _, tradition und, tradition der
crisis d'une » crisis due, crisis desde, crisis de
costs trade » costly trade
3.1 crisis » 2.1 crisis, 3 crisis, 11 crisis
after a » after _

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

• Adding a wildcard symbol may retrieve word variants: technology sector tradition 3.1 crisis d'une communication costs trade development after a.*.