Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
hoc sach » hoc sinh, hoc cac, hoc anh
dan tai » van tai, dan thi, han tai
dan vai » dan va, dan vat, den vai
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
ha hoi » hoa hoi, ha noi, xa hoi
va nam » van nam, ha nam, va nay

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: hoc sach ((ky lang) OR (ky dang)) ha hoi. hieu va nam thuc va ((dan vai) OR (dan tai)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ((ky lang) or (ky dang)) ha hoi. hieu va nam thuc va ((dan vai) OR (dan tai)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: hoc sach ((ky lang) or (ky dang)) ha hoi. hieu va nam thuc va ((dan vai) OR (dan tai)) cuu tre*.