Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3.5 development » 3.1 development, 3.2 development, 3.3 development
development pan » development plan, development plans, development japan
information i » information im, information 2, information 1
pan african » pan american, can africa, pan africanism
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
3 oral » _ oral, 2 oral, 4 oral
i 3 » ii 3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information i 3 oral communication costs 3.5 development pan african.*.