Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
tham thuc » nham thuc, pham thuc, tam thuc
tham tuc » thai tuc, nham thuc, pham thuc
dinh dai » dinh dat, sinh dai, dinh dao
cao hoi » cau hoi, co hoi, cao hoc
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang cao hoi. lieu va ((tham tuc) OR (tham thuc)) va dinh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y nang cao hoi. lieu va ((tham tuc) OR (tham thuc)) va dinh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang cao hoi. lieu va ((tham tuc) OR (tham thuc)) va dinh dai cua tre*.