Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thuat dung » thuat hung, thuat xung, thuat song
hoc thieu » toc thieu, hoc hien
thuat ung » thuat hung, thuat xung, thuat song
hanh tam » thanh tam, nhanh tam, hanh tram
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu quang - hanh tam ((thuat ung) or (thuat dung)) cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - hanh tam ((thuat ung) OR (thuat dung)) cong dan than ban*.