Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
lang van » tang van, hoang van, giang van
dang van » hoang van, hang va
tu sang » thu sang, tu san, tu lang
vai cua » dai cua, hai cua, lai cua
duc van » duc va, duc tan, duc manh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
sang ky » sang kyo, dang ky, tang ky
lang xa » lang ha, dang xay
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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

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