Perhaps you should try some spelling variations:
tinh vai » tinh va, tinh hai, tinh bai
tu cach » tu cac
vai cua » dai cua, hai cua, lai cua
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
xuc va » duc va, tuc va, luc va
va cam » va cham, va cao, va cai
x hoi » xa hoi, o hoi, x ho

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 (su sach)) ky nang x hoi. hieu ((va cam) OR (va cac)) xuc va tinh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang x hoi. hieu ((va cam) OR (va cac)) xuc va tinh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky nang x hoi. hieu ((va cam) OR (va cac)) xuc va tinh vai cua tre*".