Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
technology musil » technology mobile, technology mit, technology moral
developpement en » developpement et, developpement des, developpement de
musil infection » musil inflation, mumps infection, during infection
5 communication » 3 communication, 4 communication, de communication
communication 3 » communication _, communication a
infection data » infection rate, infection rates, section data
sources 5 » sources _, sources 4
3 leur » a leur, 3 lehr

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

• Adding a wildcard symbol may retrieve word variants: technology musil infection data sources 5 communication 3 leur developpement en afrique.*.