Perhaps you should try some spelling variations:
tcvn hanh » tien hanh, toan hanh
tran hanh » tran thanh, tran khanh, tran manh
hanh manh » hanh mang, lanh manh, hoang manh
dung cong » dung trong
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
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 ((tcvn hanh) or (tran hanh)) - hanh manh cua dung cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tcvn hanh) OR (tran hanh)) - hanh manh cua dung cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: theo ((tcvn hanh) or (tran hanh)) - hanh manh cua dung cong ((dan toan) or (dan than)) cau*.