Perhaps you should try some spelling variations:
chi hanh » chi nhanh, chi thanh, thi hanh
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
cong bai » cuong bai, cong hai, cong ba
cung bai » cuong bai, dung bai, nhung bai
toan cao » toan ban, toan tap
doi chi » doi khi

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 hanh - canh tranh ((cua dung) or (cua dong)) ((cong bai) or (cung bai)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - canh tranh ((cua dung) OR (cua dong)) ((cong bai) OR (cung bai)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - canh tranh ((cua dung) or (cua dong)) ((cong bai) or (cung bai)) toan cao*.