Perhaps you should try some spelling variations:
technology transient » technology transfer, technology transfers, technology transters
transient effects » transfer effects, transfers effects, treatment effects
de communication » mobile communication, online communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
effects a » effects _, effects 3, effects 5
prices de » prices does, prices _, prices a
a prices » a price, 2 prices, gas prices
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 transient effects a prices de communication costs de developpement en afrique.*.