Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
chuan tran » chuan trang, chuan doan, chuan san
tran cong » tran hong, trien cong, tran hoang
chi xanh » chi anh, chi hanh, chieu xanh
chi danh » chi dan, chi anh, chi dinh
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi danh)) - ((hanh trang) OR (hanh trinh)) chuan tran cong ban than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi danh)) - ((hanh trang) OR (hanh trinh)) chuan tran cong ban than cao~".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi danh)) - ((hanh trang) OR (hanh trinh)) chuan tran cong ban than cao*.