Perhaps you should try some spelling variations:
hanh manh » hanh mang, lanh manh, hoang manh
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
dan toan » van toan, dan than, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh manh cua dung cong ((dan toan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh manh cua dung cong ((dan toan) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh manh cua dung cong ((dan toan) or (van tuan)) cau*.