Perhaps you should try some spelling variations:
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cua dung » cua dang, cua dong, qua dung
tan chan » dan chan, can chan, tam chan
ban chan » dan chan, ban than, ban nhan

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) or (ho chieu)) sach - hanh dung cua dung cong ((tan chan) OR (ban chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (ho chieu)) sach - hanh dung cua dung cong ((tan chan) OR (ban chan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (ho chieu)) sach - hanh dung cua dung cong ((tan chan) OR (ban chan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) sach - hanh dung cua dung cong ((tan chan) OR (ban chan)) cau*.