Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua
trong dan » trong dang, trong tan, trong ban
trong san » trong cac, cong san, dong san
thanh tap » thanh lap, thanh tai, thanh tay
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua

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 - canh ((tranh cua) OR (manh cua)) dung ((trong dan) or (trong san)) thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh ((tranh cua) OR (manh cua)) dung ((trong dan) OR (trong san)) thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - canh ((tranh cua) OR (manh cua)) dung ((trong dan) or (trong san)) thanh tap".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh ((tranh cua) OR (manh cua)) dung ((trong dan) or (trong san)) thanh tap*.