Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
trung cap » trung tam
hang nong » thang long, han tong
nong ban » nong dan, nong san, dong ban
phan dau » hang dau

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 xanh - thanh ((trung cap) or (truong cao)) hang nong ban ((phan tu) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung cap) OR (truong cao)) hang nong ban ((phan tu) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung cap) or (truong cao)) hang nong ban ((phan tu) or (phan dau))*.