Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
lang xa » lang ha, dang xay, lang van
cao duc » dao duc, cao suc, giao duc
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
sai ky » sac ky
va cao » va cac, va co, va dao

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

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