Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
trong nong » trong cong
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh tang » hanh trang, hanh mang, hanh tung
cua trong » cua truong, cua trung, qua trong
anh tang » anh bang, anh dang, anh nang
nong van » song van, nong dan, nong san
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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) or (tien thanh)) - ((hanh tang) or (anh tang)) cua trong nong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (tien thanh)) - ((hanh tang) OR (anh tang)) cua trong nong van tan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (tien thanh)) - ((hanh tang) or (anh tang)) cua trong nong van tan cau*.