Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
mot chieu » doi chieu, ho chieu
tong cong » trong cong, cong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doc hieu)) xanh - ((hanh trang) or (canh tranh)) cua tong cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) xanh - ((hanh trang) OR (canh tranh)) cua tong cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doc hieu)) xanh - ((hanh trang) or (canh tranh)) cua tong cong dan toan tap*.