Perhaps you should try some spelling variations:
thuong trong » thong trong, duong trong, thuoc trong
uan thuong » han thuong, lan thuong, van thuong
quang uan » quang tuan, quang ban, quang tran
trong bai » trong ban, thong bai, trong hai
ho chieu » theo chieu, hoc thieu, doi chieu
bai toan » bai tap
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (mot chieu)) sang - nhanh quang uan thuong trong bai toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) sang - nhanh quang uan thuong trong bai toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) sang - nhanh quang uan thuong trong bai toan tap*.