Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh hinh » hanh chinh, hanh tinh, hanh dinh
cua nhung » va nhung
hinh cua » chinh cua, sinh cua, tinh cua
cong san » cong tac
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu sang)) - hanh hinh cua nhung ((huong dan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - hanh hinh cua nhung ((huong dan) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - hanh hinh cua nhung ((huong dan) or (cong san)) toan tap*.