Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, anh trinh
hien manh » hien hanh, tien manh, hieu manh
canh tinh » hanh tinh, manh tinh, canh tranh
lang nong » hang nong, lang dong, lang song
nong doan » nong dan, cong doan, long doan
doan phan » doanh phan, toan phan, dan phan
vat lang » va lang, van lang, vat mang

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 manh - ((canh trinh) or (canh tinh)) vat lang nong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - ((canh trinh) OR (canh tinh)) vat lang nong doan phan tu*.