Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung hat » trung nhat, trung phat, trung ha
hat trong » chat trong, nhat trong, vat trong
ban thanh » ban hang
doc hieu » toc thieu, hoc thieu, hoc hien
ban hanh » ban hang

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 - thanh trung hat trong cong ((ban thanh) OR (ban hanh)) san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - thanh trung hat trong cong ((ban thanh) OR (ban hanh)) san".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh trung hat trong cong ((ban thanh) OR (ban hanh)) san*.