Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong dan » phuong danh, phuong doan, huong dan
hieu manh » hieu nganh, dieu hanh, hien hanh
canh tinh » hanh tinh, manh tinh, canh tranh
tinh van » trinh van, dinh van, tinh va
van dung » van dong, xay dung, tin dung
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: doc ((chieu xanh) or (hieu manh)) - canh tinh van dung phuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (hieu manh)) - canh tinh van dung phuong dan van ban*.