Perhaps you should try some spelling variations:
thien van » thi van
cham thuc » nham thuc, pham thuc, tham thuc
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
van cham » van chat, van tham, va cham
dinh bat » danh bat, dinh ba, dinh dat
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
bat cua » ban cua, mat cua, bai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (hoc sach)) ky nang xa hoi. thien van cham thuc va dinh bat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ky nang xa hoi. thien van cham thuc va dinh bat cua tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) ky nang xa hoi. thien van cham thuc va dinh bat cua tre*.