Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
nang hang » nang sang, hang hang, cang thang
mat duong » mai duong, xuat duong, hai duong
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, viet dung, xay dung
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap
va dung » van dung, va duong, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tach - nang hang ((va dung) or (((vat dung) or (mat duong)))) cong tan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - nang hang ((va dung) OR (((vat dung) OR (mat duong)))) cong tan than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - nang hang ((va dung) or (((vat dung) or (mat duong)))) cong tan than cao*.