Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu ket » hieu kem, thien ket, lien ket
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
luc van » luoc van, duc van, luc va
hanh ve » hanh vi, hanh va, hanh kem
luu van » cuu van, luan van, luu hanh
hanh de » hanh kem
te sac » te sach, te cac, te san
ha hoi » hoa hoi, ha noi, xa hoi
sac ky » cac ky, sai ky

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 ha hoi. hieu ket cau ((luc van) OR (luu van)) ((hanh de) or (hanh ve)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang ha hoi. hieu ket cau ((luc van) OR (luu van)) ((hanh de) OR (hanh ve)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky lang ha hoi. hieu ket cau ((luc van) OR (luu van)) ((hanh de) or (hanh ve)) cua triet*".