Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
nang tai » hang tai, sang tai, nang cao
tang tai » hang tai, dung tai, sang tao
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
luc van » luoc van, luu van, duc van
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
su can » su van, su cao, tu can
su cac » tu cac, su cao, eu 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 cac) or (su can)) ky ((nang tai) or (tang tai)) roi. hieu ve cam luc van hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su cac) OR (su can)) ky ((nang tai) OR (tang tai)) roi. hieu ve cam luc van hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su cac) or (su can)) ky ((nang tai) or (tang tai)) roi. hieu ve cam luc van hanh vai cua tre*.