Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thien hach » thien thanh, hien hanh
tuong quan » truong quan, thong quan, luong quan
thong cong » trong cong, tong cong, thong thong
hoc thien » hoc hien, hoc thieu, hoc thiet
hang cong » dang cong, hang nong, bang cong
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - thanh tuong quan ((thong cong) or (hang cong)) dan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh tuong quan ((thong cong) OR (hang cong)) dan than man*.