Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
danh trung » dang trung, dinh trung, thanh trung
manh trung » manh tung, thanh trung, manh hung
cua thuong » cua truong, cua phuong, ca thuong
phuong tan » phuong tran, phuong lan, phuong tai
phuong tay » phuong thao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((danh trung) or (manh trung)) cua thuong ((phuong tan) OR (phuong tay)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((danh trung) OR (manh trung)) cua thuong ((phuong tan) OR (phuong tay)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((danh trung) or (manh trung)) cua thuong ((phuong tan) OR (phuong tay)) van ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((danh trung) or (manh trung)) cua thuong ((phuong tan) OR (phuong tay)) van ban*.