Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thong cong » trong cong, tong cong, thong thong
hoc thien » hoc hien, hoc thieu, hoc thiet
thanh van » thanh toan, thanh phan, thanh nhan
cong hoan » cong hoa, dong hoa, cong san
can cau » ban cau, ca cau, cac cau
van cau » van dau, van hau, van chat

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 danh - canh ((thanh van) or (thanh san)) thong cong hoan ((can cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - canh ((thanh van) OR (thanh san)) thong cong hoan ((can cau) OR (van cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - canh ((thanh van) or (thanh san)) thong cong hoan ((can cau) or (van cau))*.