Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
information 1.4 » information 10.4, information 1.2, information 1.3
developing asia » development asia, developing a
3 developing » 3 development
asia area » asia korea, sea area, asia asia
costs 3 » costs _, costs 4, costs a
book » books, ebook

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information 1.4 book oral communication costs 3 developing asia area.*.