Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
nhanh lang » nhanh quang, nhanh thang, nhan dang
cua thuong » cua truong, cua phuong, ca thuong
cao thuong » cao truong, ca thuong, cho thuong
cong tan » cong tac, cong san, cong thanh
tan quan » tang quan, toan quan, van quan
quan lap » quan luan, quang lam, quan lang

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)) - nhanh lang ((cua thuong) or (cao thuong)) cong tan quan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - nhanh lang ((cua thuong) OR (cao thuong)) cong tan quan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - nhanh lang ((cua thuong) or (cao thuong)) cong tan quan lap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - nhanh lang ((cua thuong) or (cao thuong)) cong tan quan lap*.