Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh han » hanh nhan, hanh phan, hanh san
va trong » va truong, va thong, va tuong
dan chan » dan gian, dan ca, van chat
van than » van thanh, van thang, van tuan
han va » hang va, hanh va, nhan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - hanh han va trong cong ((dan chan) or (van than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - hanh han va trong cong ((dan chan) OR (van than)) tap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - hanh han va trong cong ((dan chan) or (van than)) tap*.