Perhaps you should try some spelling variations:
dang xay » dang van, van xay
danh hai » dang hai, lanh hai, manh hai
van danh » van doanh, van anh, van hanh
hai cua » thai cua, dai cua, hoi cua
duc van » duc va, duc tan, duc manh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, lang van
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
sai ky » sac 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 ((sach ky) OR (sai ky)) ((lang xa) OR (dang xay)) hoi. hieu va cam duc van danh hai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sai ky)) ((lang xa) OR (dang xay)) hoi. hieu va cam duc van danh hai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sai ky)) ((lang xa) OR (dang xay)) hoi. hieu va cam duc van danh hai cua tre*.