Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
tu cach » tu cac
tu sach » thu sach, su sach, te sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve pham » vi pham, ve phan, ve phat
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
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: ((tu cach) or (tu sach)) ky lang xa hoi. hieu ((ve pham) OR (v pham)) duc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (tu sach)) ky lang xa hoi. hieu ((ve pham) OR (v pham)) duc va hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (tu sach)) ky lang xa hoi. hieu ((ve pham) OR (v pham)) duc va hanh vai cua tre*".