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

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 dung) or (thuat xung)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - hanh tam ((thuat dung) OR (thuat xung)) cong dan toan ban*.