Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trung » thanh trung, hanh trang, manh trung
trung tham » trung tam, trung thanh, trung thang
tham nhung » thi nhung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
dan than » dan chan, ban than, van than

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 trung tham nhung cong ((xuan toan) or (dan than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh trung tham nhung cong ((xuan toan) OR (dan than)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh trung tham nhung cong ((xuan toan) or (dan than)) ban*.