Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
ve pham » vi pham, ve phan, ve phat
duc van » duc va, duc tan, duc manh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
v pham » vi pham, d pham

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 ty nang xa hoi. hieu ((ve pham) OR (v pham)) duc van hanh lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ((ve pham) OR (v pham)) duc van hanh lai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ((ve pham) OR (v pham)) duc van hanh lai cua tre*.