Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hanh trang » thanh trung, canh tranh, hanh trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hieu van
hien hanh » dieu hanh
va phuong » va thuong, cac phuong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu manh) or (hien hanh))) or (chieu xanh)) - hanh trang va phuong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (hien hanh))) OR (chieu xanh)) - hanh trang va phuong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (hien hanh))) or (chieu xanh)) - hanh trang va phuong cong dan van ban*.