Perhaps you should try some spelling variations:
hanh trung » thanh trung, manh trung, danh trung
hanh trang » thanh trung, canh tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trong dan » trong dang, trong tan, trong ban
trong san » trong cac, cong san, dong san
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hanh trung) or (hanh trang)) va dung ((trong dan) OR (trong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh trung) OR (hanh trang)) va dung ((trong dan) OR (trong san)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh trung) or (hanh trang)) va dung ((trong dan) OR (trong san)) van ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh trung) or (hanh trang)) va dung ((trong dan) OR (trong san)) van ban*.