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
cong manh » duong manh, cong thanh, hoang manh
cong danh » cuong danh, cong dan, cong thanh
tung va » trung va, tuong va, dung va
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: hoc thien danh - thanh tung va nang ((cong manh) or (cong danh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - thanh tung va nang ((cong manh) OR (cong danh)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - thanh tung va nang ((cong manh) or (cong danh)) van ban*.