Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
trinh cua » trinh luat, trinh quan, trinh luan
hang nong » thang long, han tong
tinh cua » sinh cua, tinh chat, tranh cua
nong van » song van, nong dan, nong san
van toan » van tuan, van tan, van thanh
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh ((trinh cua) OR (tinh cua)) hang nong van toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh ((trinh cua) OR (tinh cua)) hang nong van toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((trinh cua) OR (tinh cua)) hang nong van toan tap*.