Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien sach » dien sach, kien sach, thien hach
trinh vit » trinh viet, trinh vat, trinh vuot
trinh vi » trinh va, trinh ve, trinh viet
cong dan » cong san, cong tan, huong dan
dan ban » van ban, can ban, dan ba
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - hanh ((trinh vi) or (trinh vit)) nhung cong dan ban cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh ((trinh vi) OR (trinh vit)) nhung cong dan ban cua.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh ((trinh vi) or (trinh vit)) nhung cong dan ban cua*.