Perhaps you should try some spelling variations:
communication brazil » communication based, communication libraries
past communication » post communication, put communication, master communication
foster development » fostering development, further development, cluster development
relations 6.3 » relations 3, relations 2.1, relations 3.1
brazil foster » brazil after
technology 4 » technology _, technology 1, technology 3
4 relations » 3 relations, 4 relation, 1 relations
crisis past » crisis part, crisis east, crisis post
6.3 crisis » 8.3 crisis, 6.3.2 crisis, 13.3 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology 4 relations 6.3 crisis past communication brazil foster development _ all.*.