Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thanh tung » thanh cong
hoc thien » hoc hien, hoc thieu, hoc thiet
dong cong » duong cong, dung cong, dang cong
cau dong » cau duong, cau cong, cao dong
cong dan » cong san, cong tan, huong dan
gian cac » gian dan, gian cua

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 - ((thanh trung) or (thanh tung)) cau dong cong dan gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - ((thanh trung) OR (thanh tung)) cau dong cong dan gian cac.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - ((thanh trung) or (thanh tung)) cau dong cong dan gian cac*.