Perhaps you should try some spelling variations:
put communication » post communication, et communication, get communication
technology und » technology fund, technology used, technology use
und regulation » land regulation, und regularien, food regulation
regulation 3.1 » regulation 3.4, regulation 4.1, regulation 6.1
3.1 crisis » 2.1 crisis, 3 crisis, 11 crisis
crisis put » crisis pt, crisis part, crisis past
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology und regulation 3.1 crisis put communication costs 2 development _ artic.*.