Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
mot trieu » mot chieu, mot tri, mon triet
cua tong » cua cong, cua nong, cua ong
cua song » cua cong, qua song, cua nong
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: mot trieu tinh - hanh trinh ((cua tong) or (((cua song) or (cua dong)))) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mot trieu tinh - hanh trinh ((cua tong) OR (((cua song) OR (cua dong)))) cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: mot trieu tinh - hanh trinh ((cua tong) or (((cua song) or (cua dong)))) cong san toan cau*.