Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
xa hanh » xa thanh, xa khanh, va hanh
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cai, va cau
va cao » va co, va dao, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky lang xa hoi. hieu ((((va cam) or (va cac))) or (va cao)) tuc xa hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((((va cam) OR (va cac))) OR (va cao)) tuc xa hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ((((va cam) or (va cac))) or (va cao)) tuc xa hanh tai cua tre*.