Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh
thien danh » thien dang, thien thanh, thien chanh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
thien anh » tien anh, thien thanh, thien chanh
trang va » tran van, hang va
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 ((((thieu xanh) OR (thien danh))) or (thien anh)) - hanh trang va nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (thien anh)) - hanh trang va nhung cong van toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (thien danh))) or (thien anh)) - hanh trang va nhung cong van toan cao*".