Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
dan than » dan chan, ban than, van than
van hang » van khang, van hoang, van thang

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 - thanh tung cua ((nhung cong) or (dung trong)) ((dan than) or (van hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung cua ((nhung cong) OR (dung trong)) ((dan than) OR (van hang)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung cua ((nhung cong) or (dung trong)) ((dan than) or (van hang)) cau*.