Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
nam thuc » nam thuoc, am thuc, nam thu
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
te sach » toc sach
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vai cau » va cau, van cau, vai cac
tu sach » thu sach, su sach, tu cach
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) y ((mang may) or (nang x)) hoi. hieu ve nam thuc va hanh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y ((mang may) OR (nang x)) hoi. hieu ve nam thuc va hanh vai cau treo.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) y ((mang may) or (nang x)) hoi. hieu ve nam thuc va hanh vai cau treo*.