Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
trong dan » trong dang, trong san, trong tan
dan thanh » dang thanh, danh thanh, ban thanh
thanh tap » thanh lap, thanh tai, thanh tay
cua dung » cua dang, cua dong, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (hieu manh)) - canh tranh cua dung trong dan thanh tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu manh)) - canh tranh cua dung trong dan thanh tap".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu manh)) - canh tranh cua dung trong dan thanh tap*.