Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
tang van » dang van, hoang van, trong van
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan 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 manh - anh ((tang van) or (trang va)) hang cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - anh ((tang van) OR (trang va)) hang cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - anh ((tang van) or (trang va)) hang cong dan toan tap*.