Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cac thuc » cach thuc, cac thu, can thuc
danh tai » doanh tai, dinh tai, hanh tai
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
tu tien » tu tieng, thu tien, tu thien
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu ve cac thuc va danh tai tu tien~.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang x hoi. hieu ve cac thuc va danh tai tu tien*.