Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
lai cua » dai cua, hai cua, lai chau
luc van » luoc van, luu van, duc van
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
sang xa » song xa, lang xa, mang xa
ban ky » van ky, dan ky
ve cam » ve cham, ve cac, va cam
te ban » te bao

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

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