Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
van hang » van khang, van hoang, van thang
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban
va hanh » van hanh, va thanh, va danh

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 tang) or (hanh mang)) ((va hanh) or (van hang)) cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tang) OR (hanh mang)) ((va hanh) OR (van hang)) cong anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tang) or (hanh mang)) ((va hanh) or (van hang)) cong anh tuan ban*.