Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
integration wage » integration wege, integration wie, integration work
development lie » development life, development li, development lid
lie afrique » l afrique
wage rate » wage rates
rate 3.2 » rates 3.2, rate 4.2, rate 5.2
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 trade integration wage rate 3.2 communication costs a development lie afrique.*.