Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va danh, ban hanh
cua tre » cua te, cuu tre, cua triet
v pham » vi pham
d pham » d phan

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 ky nang xa hoi. hieu ((v pham) OR (d pham)) duc ((va hanh) or (va thanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((v pham) OR (d pham)) duc ((va hanh) OR (va thanh)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((v pham) OR (d pham)) duc ((va hanh) or (va thanh)) dai cua tre*".