Perhaps you should try some spelling variations:
canh manh » lanh manh, canh tranh, cach mang
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
van hang » van khang, van hoang, van thang
toan ban » van ban
va hang » va nang, va lang, va hanh

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 manh ((va hang) OR (van hang)) cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) xanh - canh manh ((va hang) OR (van hang)) cong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo tieu)) xanh - canh manh ((va hang) OR (van hang)) cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) xanh - canh manh ((va hang) OR (van hang)) cong manh toan ban*.