Perhaps you should try some spelling variations:
luoc van » luoc can, luoc va, luot van
lang van » dang van, tang van, hoang van
cua tre » cua te, cuu tre, cua triet
hanh de » hanh ve, hanh kem
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
luc van » luu van, duc van, luc va
de cua » le cua, te cua, dieu cua
sac ky » sai ky
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sac ky) OR (cac ky)) lang van hoi. hieu ve cac ((luc van) OR (luoc van)) hanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sac ky) OR (cac ky)) lang van hoi. hieu ve cac ((luc van) or (luoc van)) hanh de cua tre~".
• Adding a wildcard symbol may retrieve word variants: te ((sac ky) OR (cac ky)) lang van hoi. hieu ve cac ((luc van) or (luoc van)) hanh de cua tre*.