Perhaps you should try some spelling variations:
duong manh » duong van
tang mach » trong mach, tang ma, ban mach
tinh mach » tinh cach, tim mach, tinh bac
dong manh » dong anh, dang manh, dong danh
chu xanh » chu manh, chieu xanh, chua xang
toan tap » toan ban
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu xanh - hanh ((tang mach) OR (tinh mach)) phuong ((dong manh) or (duong manh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu xanh - hanh ((tang mach) OR (tinh mach)) phuong ((dong manh) OR (duong manh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu xanh - hanh ((tang mach) OR (tinh mach)) phuong ((dong manh) or (duong manh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - hanh ((tang mach) OR (tinh mach)) phuong ((dong manh) or (duong manh)) toan tap*.