Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers simulation » transfer simulation, transfer simulations, transport simulation
4 communication » 3 communication, 5.4 communication, de communication
developing east » development east, developing a, developing asia
simulation 1 » simulation _, simulation 4, simulation 3
4 developing » 3 developing
east african » east africa, west african, west africa
1 primer » a primer, 1 prime, _ primer
primer 4 » primer _, primers _, primed _
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 simulation 1 primer 4 communication costs 4 developing east african.*.