Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh hinh » hanh chinh, hanh tinh, hanh dinh
dung cong » dung trong
hinh cua » chinh cua, sinh cua, tinh cua
cua dung » cua dang, cua dong, qua dung
ban than » ban thanh, van thanh, ban hang

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

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