Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
lang van » dang van, tang van, hoang van
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
cam loc » cam lo
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
loc va » hoc va, luc va
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 xa) or (lang van)) hoi. hieu va cam loc va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((lang xa) OR (lang van)) hoi. hieu va cam loc va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((lang xa) or (lang van)) hoi. hieu va cam loc va hanh vai cua tre*.