Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
lang cong » dang cong, bang cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo tieu)) xanh - ((canh tranh) or (hanh trinh)) va lang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) xanh - ((canh tranh) OR (hanh trinh)) va lang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) xanh - ((canh tranh) or (hanh trinh)) va lang cong dan toan cau*.