Perhaps you should try some spelling variations:
choi thuc » hoc thuc, hoi chuc, cho thue
lanh manh » lanh tranh, van manh, anh anh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
lan anh » van anh, tuan anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((choi thuc) or (theo tieu)) xanh - ((lanh manh) or (lan anh)) cua dung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((choi thuc) OR (theo tieu)) xanh - ((lanh manh) OR (lan anh)) cua dung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ((choi thuc) or (theo tieu)) xanh - ((lanh manh) or (lan anh)) cua dung cong dan toan cau*.