Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo dieu » theo tieu, theo chieu, thuoc dieu
trang van » tran van, trang va, trong van
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban
tam van » nam van, dam van, tom van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo dieu hanh - hanh ((trang van) or (tam van)) nhung cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - hanh ((trang van) OR (tam van)) nhung cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - hanh ((trang van) or (tam van)) nhung cong dan toan tap*.