Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
3.2 communication » 3 communication, 2.3 communication, de communication
technology plant » technology poland, technology land, technology giants
developpement en » developpement et, developpement des, developpement de
plant infection » past infection, tract infection, lato infection
communication 3 » communication _, communication a
infection data » infection rate, infection rates, section data
data source » data sources
source 3.2 » sources 3.2, source 2.2, source 2.3
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 plant infection data source 3.2 communication 3 leur developpement en afrique.*.