Perhaps you should try some spelling variations:
technology transport » technology transfer, technology transfers, technology transters
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developing east » development east, developing a, developing asia
association a » association _, associations _, association mwia
4 developing » 3 developing
east afrique » east africa, east african, en afrique
prime 2.7 » rice 2.7, time 2.7
a prime » a primer, 1 prime, a price
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 transport association a prime 2.7 communication costs 4 developing east afrique.*.