Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
trung dat » trung dai, trong dat, trung dam
dat trong » dot trong, vat trong, cay trong
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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 - hanh trung dat trong cong ((dan than) or (dan chan)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung dat trong cong ((dan than) OR (dan chan)) cap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung dat trong cong ((dan than) or (dan chan)) cap*.