Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, xuc ban
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky
x hoi » xa hoi, o hoi, x ho

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

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