Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
hanh tang » hanh trang, hanh mang, hanh tung
dang nong » dang cong, hang nong, tang nong
anh tang » anh bang, anh dang, anh nang
cua dang » cua cong, cua ban
nong van » song van, nong dan, nong san
tuan cao » juan cao, quang cao, thuan cam
toan cao » toan ban, toan tap

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 trinh - ((hanh tang) OR (anh tang)) cua dang nong van ((tuan cao) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu trinh - ((hanh tang) or (anh tang)) cua dang nong van ((tuan cao) OR (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu trinh - ((hanh tang) or (anh tang)) cua dang nong van ((tuan cao) OR (toan cao))*.