Perhaps you should try some spelling variations:
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
te sach » toc sach
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
hanh ca » hanh cac, hanh cat, hanh cua
cua tre » cua te, cuu tre, cua triet
y nang » ly nang, v nang, may nang
me hoi » le hoi
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) or (ky nang)) ((me hoi) or (ma hoa)). hieu va cac nuoc va hanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ky nang)) ((me hoi) OR (ma hoa)). hieu va cac nuoc va hanh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (ky nang)) ((me hoi) or (ma hoa)). hieu va cac nuoc va hanh ca cua tre*.