Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
cham thuc » nham thuc, pham thuc, tham thuc
van cham » van chat, van tham, va cham
thuc van » thuc vat, thuc dan, thuc va
van dinh » van minh, van dich, va dinh
dinh dau » dinh dat, dinh du, danh dau
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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 ky nang xa hoi. thien van cham thuc van dinh dau ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. thien van cham thuc van dinh dau ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. thien van cham thuc van dinh dau ((cua tre) OR (cua te))*.