Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
song manh » song hanh, song xanh, song danh
song minh » tong minh, hoang minh, thong minh
anh tang » anh bang, anh dang, anh nang
tang van » dang van, hoang van, trong van
van dung » van dong, xay dung, tin dung
toan cau » toan cao, toan ban, toan tap

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 anh) or (thien danh)) - anh tang van dung ((song manh) or (song minh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - anh tang van dung ((song manh) OR (song minh)) toan cau*.