Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
lang van » dang van, tang van, hoang van
vai cua » dai cua, hai cua, lai cua
luc van » luoc van, luu van, duc van
cam luc » cam xuc, cau luc
van cam » van nam, van lam, van cau
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay
xac ky » cac ky, sac ky, bac ky
su xac » pu xac, su cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky ((lang xa) or (lang van)) hoi. hieu van cam luc van hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky ((lang xa) OR (lang van)) hoi. hieu van cam luc van hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: su xac ky ((lang xa) or (lang van)) hoi. hieu van cam luc van hanh vai cua tre*.