Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
danh tao » doanh tai, danh giao, dao tao
cua viet » ca viet, hoa viet, cua dieu
ban hanh » ban hang
hanh hai » thanh hai, nhanh hai, hang hai
cua tre » cua te, cuu tre, cua triet
ky danh » ky anh, ky dang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
duc ban » duc tan, duc van, dua ban
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky danh tao hoi. hieu ve cham duc ban hanh hai ((cua tre) OR (((cua viet) OR (cua vat))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky danh tao hoi. hieu ve cham duc ban hanh hai ((cua tre) or (((cua viet) OR (cua vat))))~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky danh tao hoi. hieu ve cham duc ban hanh hai ((cua tre) or (((cua viet) OR (cua vat))))*.