Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
3 communication » 4 communication, de communication, data communication
communication 3 » communication _, communication a
ecology german » ecology germany, technology germany, sociology germany
inflation data » inflation rate, infection data, inflation das
la afrique » l afrique, la fabrique, en afrique
sources 3 » sources _, sources 4, sources 5
3 au » 3 auf, 3 a, 3 zu

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

• Adding a wildcard symbol may retrieve word variants: ecology german inflation data sources 3 communication 3 au developpement la afrique.*.