Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
nganh nong » nganh cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nganh » cua ngan, chuc nganh, cua nhan
nong dan » cong dan, nong san, nguong dan
toan tai » doanh tai, toan cao, von tai
toan ban » van 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 thieu tinh - thanh trung cua nganh nong dan ((((toan tai) or (toan tap))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh trung cua nganh nong dan ((((toan tai) OR (toan tap))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung cua nganh nong dan ((((toan tai) or (toan tap))) or (toan ban))*.