Perhaps you should try some spelling variations:
continues communication » contents communication, routine communication, control communication
clean development » human development, urban development
crisis continues » crisis countries
technology et » technology e, technology ecit, technology eimt
et relations » des relations, 3 relations, ethnic relations
relations 11 » relations 1.1, relations 1, relations 14
costs clean » costs clear
11 crisis » 19 crisis, 1 crisis, 3 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology et relations 11 crisis continues communication costs clean development _ artic.*.