Perhaps you should try some spelling variations:
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
thuong dan » huong dan, thuong dam, thuong lan
thuong han » thuong mai, thuong va, thuong gap
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
toan ban » van ban

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) or (thanh tung)) cua thuong ((thuong dan) OR (thuong han)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((thanh trung) OR (thanh tung)) cua thuong ((thuong dan) OR (thuong han)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - ((thanh trung) or (thanh tung)) cua thuong ((thuong dan) OR (thuong han)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - ((thanh trung) or (thanh tung)) cua thuong ((thuong dan) OR (thuong han)) toan ban*.