Perhaps you should try some spelling variations:
van dinh » van minh, van dich, xuan dinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve pham » vi pham, v pham, ve phat
ve phan » va phan, ke phan, ve phat
va dinh » va kinh, va tinh, vu dinh
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet

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 ((ve pham) or (ve phan)) duc ((va dinh) OR (van dinh)) lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((ve pham) OR (ve phan)) duc ((va dinh) OR (van dinh)) lam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((ve pham) or (ve phan)) duc ((va dinh) OR (van dinh)) lam cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve pham) or (ve phan)) duc ((va dinh) OR (van dinh)) lam cua tre*.