Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers regulation » transport regulation, transfer reduction, transfer regulatory
4.4 communication » 5.4 communication, 4.1 communication, 1.4 communication
regulation labor » regulating labor, legislation labor, regulation carbon
4 developing » 3 developing
developing a » developing _
labor price » labour prices, labor crime, labor practice
price 4.4 » price 2.3, practice 4.4
a afrique » l afrique, en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology transfers regulation labor price 4.4 communication costs 4 developing a afrique.*.