Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
toan ban » van ban
toan cao » toan tap
mang va » mang vua, hang va, bang va
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 mang va dung cong dan ((toan ban) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh mang va dung cong dan ((toan ban) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh mang va dung cong dan ((toan ban) OR (toan cao))*.