Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
co thuc » do thuc, co thua, mo thuc
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
va co » vo co

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 tu ((nang xa) OR (nang x)) hoi. hieu va co thuc va hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu ((nang xa) OR (nang x)) hoi. hieu va co thuc va hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach tu ((nang xa) OR (nang x)) hoi. hieu va co thuc va hanh vai cua tre*.