Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
manh tung » manh hung, thanh tung
tung dai » trung dai, tuong dai, tung dan
dai hang » dai thang, dai han, dat hang
cong san » cong tac
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 - manh tung dai hang ((cong san) or (huong dan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - manh tung dai hang ((cong san) OR (huong dan)) toan ban*.