Perhaps you should try some spelling variations:
oral communication » personal communication
technologies pt » technologies _, technologies 4, technologies 2
information 2.1 » information 12.1, information 2.2, information 2.7
developing asia » development asia, developing a
pt information » ct information, plot information, get information
4 developing » 3 developing
des oral » des moral, des oil, des orts
2.1 des » 12.1 des, 2.1 der, 2.1 das
costs 4 » costs _, costs a, costs 4.2
asia a » asia _

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

• Adding a wildcard symbol may retrieve word variants: technologies pt information 2.1 des oral communication costs 4 developing asia a.*.