Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers effects » transfer effects, transfers affect, transient effects
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
effects a » effects _, effects 3, effects 5
costs de » costs _, costs 4, costs a
a price » a primer
price 3 » price _, price a, price 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology transfers effects a price 3 communication costs de developpement en afrique.*.