Perhaps you should try some spelling variations:
transaction layer » translation layer, transaction law, transaction level
developpement en » developpement et, developpement des, developpement de
2.2 transaction » 2.1 transaction, 2.3 transaction, 6.2 transaction
3 communication » 4 communication, de communication, data communication
technology 2.2 » technology _, technology 1, technology 3
layer prices » lower prices, water prices, labour prices
prices 3 » prices _, prices a, prices 4

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 transaction layer prices 3 communication costs _ developpement en afrique.*.