Perhaps you should try some spelling variations:
toc sach » doc sach, thuoc sach, nuoc sach
danh vai » danh sai, danh va, doanh van
hoc sach » hoc sinh, hoc cac, hoc anh
cao thuc » cao thuoc, bao thuc, can thuc
vai cuu » vai cua
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
cuu tre » cua tre, cau tren, cau treo
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (((toc sach) OR (hoc sach)))) ly nang xa hoi. lieu va cao thuc va danh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (((toc sach) OR (hoc sach)))) ly nang xa hoi. lieu va cao thuc va danh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (((toc sach) OR (hoc sach)))) ly nang xa hoi. lieu va cao thuc va danh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (((toc sach) OR (hoc sach)))) ly nang xa hoi. lieu va cao thuc va danh vai cuu tre*.