Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers inflation » transfer innovation, transfer simulation, transfers taxation
communication china » telecommunication china, communication costs, communication cross
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
rate file » case file, rate fee, rate firm
china le » china led, china less, china law
file 4 » file 14, file 24, file 34

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

• Adding a wildcard symbol may retrieve word variants: technology transfers inflation rate file 4 communication china le developpement en afrique.*.