Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
nang cong » nang song, dang cong, bang cong
toc hieu » toc thieu, doc hieu, hoc thieu
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc hieu manh - ((thanh trung) or (thanh tung)) va nang cong ((dan than) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc hieu manh - ((thanh trung) OR (thanh tung)) va nang cong ((dan than) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - ((thanh trung) or (thanh tung)) va nang cong ((dan than) or (van toan)) cao*.