Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lang hai » lang chai, lang thai, lang ha
hanh lai » hanh lam, hanh tai, thanh lap
dat duoc » dat nuoc, da duoc, luat duoc
lai cua » dai cua, hai cua, lai chau
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va
hai hoi » dai hoi, hai moi, hai hai
ky lang » ky nang, ky dang, ky tang
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang hai hoi. ((hieu ve) or (hieu van)) ((dat duoc) or (cam xuc)) va hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang hai hoi. ((hieu ve) OR (hieu van)) ((dat duoc) OR (cam xuc)) va hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang hai hoi. ((hieu ve) or (hieu van)) ((dat duoc) or (cam xuc)) va hanh lai cua tre*.