Perhaps you should try some spelling variations:
tinh hai » tinh thai, tinh chat, trinh han
cham duc » pham duc, cham soc, pham duy
hai cua » thai cua, dai cua, hoi cua
va tinh » may tinh
hieu ve » hieu va, hieu van
sach uu » sach luu, sach tu, sach xu
cach tu » cach thuc
cua tre » cua te, cuu tre, cua triet
va hoi » xa hoi, va hoc, va hoa

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 uu) or (cach tu)) hang va hoi. ((hieu ve) or (hieu qua)) cham duc va tinh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach uu) OR (cach tu)) hang va hoi. ((hieu ve) OR (hieu qua)) cham duc va tinh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach uu) or (cach tu)) hang va hoi. ((hieu ve) or (hieu qua)) cham duc va tinh hai cua tre*.