Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
other developments » further developments, further development, water development
et communications » et communication, et communicatione, 10 communications
developments from » development from, developments after, developments _
study relations » study relationship, student relations, study reflections
relations 1 » relations _, relations a, relations 3
costs other » costs over
crisis et » crisis el, crisis en, crisis eu
1 crisis » 19 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology study relations 1 crisis et communications costs other developments from africa.*.