Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
thanh bac » nhanh bac, thanh bai, thanh san
cua nong » cua cong, cuu nong, cua dong
cua dang » cua cong, cua ban
song van » hoang van, trong van, duong van
tuan tap » toan tap, tuyen tap, toan tai
tuan tai » toan tai, quan tai, tan tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh bac ((cua nong) OR (cua dang)) song van ((tuan tap) OR (tuan tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh bac ((cua nong) or (cua dang)) song van ((tuan tap) OR (tuan tai))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh bac ((cua nong) or (cua dang)) song van ((tuan tap) OR (tuan tai))*.