Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
nong dan » cong dan, nguong dan, huong dan
nong san » cong san, dong san, trong san
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 xanh - hanh tang cua nhung ((nong dan) OR (nong san)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tang cua nhung ((nong dan) OR (nong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang cua nhung ((nong dan) OR (nong san)) toan cao*.