Perhaps you should try some spelling variations:
tinh vai » tinh va, tinh hai, tinh bai
cham luc » cham soc, nhan luc, cham cuu
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
va tinh » may tinh
ve cham » va cham, ve chat, vu cham
tu sach » thu sach, su sach, tu cach
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, me hoi
luc va » duc va, tuc va, loc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) ky nang ((ma hoi) OR (ma hoa)). hieu ve cham luc va tinh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ((ma hoi) OR (ma hoa)). hieu ve cham luc va tinh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang ((ma hoi) OR (ma hoa)). hieu ve cham luc va tinh vai cua tre*".