Perhaps you should try some spelling variations:
technology support » technology sector
oral communication » personal communication
support operation » support operations, port operation, supported operating
countries africa » countries april, industries africa
operation 6.1 » operation 4.1, operation 1.1, operation 2.1
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
2 oral » _ oral, 4 oral
6.1 2 » 6.1 c2, 6.1 _, 6.1 a

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

• Adding a wildcard symbol may retrieve word variants: technology support operation 6.1 2 oral communication costs 4 developing countries africa.*.