Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
sach thu » sach thue, sach thieu, sach tham
sang tao » hang tai
phan lap » phan dau
tan phan » toan phan, than phan, van phan
cua tre » cuu tre, cua triet, dua tren
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach tu, xach tay
cua te » cua tu

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 ty) OR (sach thu)) sang tao boi. hieu ve cham duc tan phan lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) sang tao boi. hieu ve cham duc tan phan lap ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach thu)) sang tao boi. hieu ve cham duc tan phan lap ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach thu)) sang tao boi. hieu ve cham duc tan phan lap ((cua tre) or (cua te))*.