Perhaps you should try some spelling variations:
duong thanh » dong thanh, muong thanh, luong thanh
thanh toan » thanh hoa, thanh san, tinh toan
chi xanh » chi anh, chi danh, chi hanh
van hang » van khang, van hoang, van thang
toan cao » toan ban, toan tap
doi chi » doi khi
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh tranh ((van hang) or (va nang)) duong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh ((van hang) OR (va nang)) duong thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh ((van hang) or (va nang)) duong thanh toan cao*.