Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
cao duc » dao duc, cao suc, cho duoc
hieu va » lieu va, hieu qua
nang co » nang cao, nang doc, nang noi
ly nang » ky nang, ly hang, ly vang
co hoi » co hoc, co loi

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 ly nang co hoi. hieu va ((((cao duc) or (tao duoc))) or (giao duc)) ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang co hoi. hieu va ((((cao duc) OR (tao duoc))) OR (giao duc)) ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ly nang co hoi. hieu va ((((cao duc) or (tao duoc))) or (giao duc)) ban thanh vai cua tre*.