Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
phuong dan » phuong danh, phuong doan, huong dan
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh tang » hanh trang, anh tang, hanh mang
cua doan » cua doanh, cua toan, chuan doan
dan toan » van toan, dan than, manh toan
toan ban » van ban
cua dan » cua dang, cua ban, ca dan

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

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