Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
nhung cong » dung cong, thong cong, hang cong
manh tung » manh hung, thanh tung
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh

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

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