Perhaps you should try some spelling variations:
dead developpement » de developpement, deux developpements, le developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
technology users » technology use, technology series, technology transfers
developpement de » developpement des, developpement durable
users inflation » users information, der inflation, does inflation
rate file » case file, rate fee, rate firm
file 2.2 » file 2.7, file 22, chile 2.2
a dead » a decade, a demand

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

• Adding a wildcard symbol may retrieve word variants: technology users inflation rate file 2.2 communication a dead developpement de l'afrique.*.