Perhaps you should try some spelling variations:
modern developments » model development, power developments, major developments
south communication » south communications, mouth communications, month communication
developments from » development from, developments after, developments _
study relation » study regulation, study selection, study iteration
crises south » crises southeast, rates south
costs modern » costs money, texts modern
relation a » relation _, relational _, relation zur
a crises » _ crises, a crisis, 2 crises

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

• Adding a wildcard symbol may retrieve word variants: technology study relation a crises south communication costs modern developments from data.*.