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
4 communication » 3 communication, 5.4 communication, de communication
effects real » effective real, effects thread, effects a
real prices » retail prices, cereal prices, rural prices
prices 4 » prices _, prices a, prices 3
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology transfers effects real prices 4 communication costs de developpement en afrique.*.