Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, anh trinh
nhung cong » dung cong, thong cong, hang cong
canh tinh » hanh tinh, manh tinh, canh tranh
hoi hieu » hoi phieu, hoi tieu, moi hieu
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
ho hieu » ho chieu, nho hieu, co hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho hieu) or (hoi hieu)) lang - ((canh trinh) or (canh tinh)) va nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (hoi hieu)) lang - ((canh trinh) OR (canh tinh)) va nhung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) or (hoi hieu)) lang - ((canh trinh) or (canh tinh)) va nhung cong dan chan cau*.