Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
truong thi » truong thpt, truong dai, luong thi
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trong thi » trong thoi, trong thu, trong tho
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 tinh - hanh ((truong thi) or (trong thi)) nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((truong thi) OR (trong thi)) nhung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((truong thi) or (trong thi)) nhung cong dan toan ban*.