Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thieu xanh » hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
va phuong » va thuong, cac phuong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan 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 (chieu xanh)) - hanh trang va phuong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (chieu xanh)) - hanh trang va phuong cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien danh))) or (chieu xanh)) - hanh trang va phuong cong dan than tap*.