Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
nong van » song van, nong san, tong van
nong dan » cong dan, nong san, nguong dan
toan cao » toan ban, toan tap

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 tinh - hanh tang cua dang ((nong van) OR (nong dan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - hanh tang cua dang ((nong van) OR (nong dan)) toan cao*".