Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
quan nhung » qua nhung, cua nhung, luan chung
nhung dung » phuong dung, ung dung, thong dung
hanh tang » hanh trang, anh tang, hanh mang
tang quan » tang luan, nang quan, tong quan
dung dinh » dang dinh, dung dich, dung danh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chiet tach)) - hanh tang quan nhung dung dinh van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - hanh tang quan nhung dung dinh van ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - hanh tang quan nhung dung dinh van ban*.