Perhaps you should try some spelling variations:
tieu hanh » dieu hanh, tiem hanh, tien hanh
dang cong » dung cong
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cua dang » cua cong, cua ban
dan toan » van toan, manh toan, xuan toan
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: theo tieu hanh - ((anh tang) or (anh dang)) cua dang cong ((dan toan) or (dan than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu hanh - ((anh tang) OR (anh dang)) cua dang cong ((dan toan) OR (dan than)) ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu hanh - ((anh tang) or (anh dang)) cua dang cong ((dan toan) or (dan than)) ban*.