Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh
thien danh » thien dang, thien thanh, thien chanh
nhung cong » dung cong, thong cong, hang cong
thien anh » tien anh, thien thanh, thien chanh
cua nhung » va nhung
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap
san cua » sang cua, ban cua, dan 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 ((((thieu xanh) or (thien danh))) or (thien anh)) - thanh san cua nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (thien anh)) - thanh san cua nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien danh))) or (thien anh)) - thanh san cua nhung cong san toan cau*.