Perhaps you should try some spelling variations:
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
so trieu » mot trieu, so dieu, so lieu
ban cong » bang cong, van cong, phan cong
cong tac » cong ty
ranh cau » danh cau, trinh cau, canh chau
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: so trieu tinh - ((canh manh) or (lanh manh)) cua ban cong tac ((ranh cau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so trieu tinh - ((canh manh) OR (lanh manh)) cua ban cong tac ((ranh cau) OR (ran cau)).
• Adding a wildcard symbol may retrieve word variants: so trieu tinh - ((canh manh) or (lanh manh)) cua ban cong tac ((ranh cau) or (ran cau))*.