Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trang » canh tranh, hanh trinh, minh trang
nong cong » cong cong, tong cong, nang cong
dan thanh » dang thanh, danh thanh, ban thanh
doc hieu » hoc thieu, hoc hien
cua nong » cua cong, cuu nong, cua dong
cong dan » cong san, cong tan, huong dan
thanh ca » thanh cha, thanh cac, thanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (toc thieu)) nganh - ((hanh trang) OR (thanh trung)) cua nong cong dan thanh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (toc thieu)) nganh - ((hanh trang) OR (thanh trung)) cua nong cong dan thanh ca*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (toc thieu)) nganh - ((hanh trang) OR (thanh trung)) cua nong cong dan thanh ca*".