Perhaps you should try some spelling variations:
transaction layer » translation layer, transaction law, transaction level
3.2 communication » 3 communication, 2.3 communication, de communication
2.2 transaction » 2.1 transaction, 2.3 transaction, 6.2 transaction
a developpement » au developpement, de developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
layer prices » lower prices, water prices, labour prices
des afrique » en afrique, de l'afrique
prices 3.2 » price 3.2, prices 3.1, prices 4.2
costs a » costs _, costs 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 3.2 communication costs a developpement des afrique.*.