Perhaps you should try some spelling variations:
luoc van » luoc can, luoc va, luc van
hanh dai » hanh tai, hanh dao, vanh dai
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
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 nang ma hoi. hieu ve cac ((xuc van) or (luoc van)) hanh dai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ma hoi. hieu ve cac ((xuc van) OR (luoc van)) hanh dai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ma hoi. hieu ve cac ((xuc van) or (luoc van)) hanh dai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. hieu ve cac ((xuc van) or (luoc van)) hanh dai ((cua tre) OR (cuu tre))*.