Perhaps you should try some spelling variations:
immigration policies » immigration policy, migration policy
21st immigration » first immigration, mass immigration, net immigration
de communication » mobile communication, online communication
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
communication 2 » communication _, communication a, communication 3
die development » drive development, mine development, site development
policies space » policies since, policies impact, policy space
space de » espace de, space die, space dead
1 farce » _ farce, 1 forced, la farce

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

• Adding a wildcard symbol may retrieve word variants: technology 21st immigration policies space de communication 2 die development 1 farce.*.