Perhaps you should try some spelling variations:
regulation labour » regulation labor, regulating labor, regulation law
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
technology trade » technology trends, technology transfer, technology transfers
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
labour price » labour prices, labor price, labour process
price 2.2 » price 2.3, price 2.4, price 3.2
l afrique » en afrique
costs le » 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 trade regulation labour price 2.2 communication costs le developpement l afrique.*.