Perhaps you should try some spelling variations:
xanh hanh » danh thanh, ban hanh, van hanh
thuc xanh » thuc hanh, thuc thanh, thuc dan
cam thuc » am thuc, nam thuc, cam thu
su sach » so sach, vu sach
nang ro » nang co, nang ho, nang ra
hieu va » lieu va, hieu qua
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ro hoi » co hoi, o hoi, mo hoi
va cam » va cham, va cac, va cao
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (vu bach)) y nang ro hoi. hieu va cam thuc xanh hanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu bach)) y nang ro hoi. hieu va cam thuc xanh hanh de cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu bach)) y nang ro hoi. hieu va cam thuc xanh hanh de cua tre*.