Perhaps you should try some spelling variations:
xach tay » canh tay
nam thuc » nam thuoc, am thuc, nam thu
vat dung » van dung, va dung, viet dung
dung doi » huong doi, dung tai, dung co
qua nam » quan nam, cua nam, quang nam
doi cuu » doi cua, doi cuoc
cuu tre » cua tre, cau tren, cau treo
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xach tay) OR (sach y)) nang x hoi. hieu qua nam thuc vat dung doi cuu tre~.
• Adding a wildcard symbol may retrieve word variants: su ((xach tay) or (sach y)) nang x hoi. hieu qua nam thuc vat dung doi cuu tre*.