Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang ma » tang ma, sang ma, nang cao
thi van » thi lan, thi hanh, thi nang
xuc ban » duc ban, cuc ban, quoc ban
benh li » benh ly, benh lo, benh vi
cua tre » cua te, cuu tre, dua tren
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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 nang ma hoi. thi van nam ((xuc ban) OR (duc tan)) benh li ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ma hoi. thi van nam ((xuc ban) or (duc tan)) benh li ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. thi van nam ((xuc ban) or (duc tan)) benh li ((cua tre) OR (cua triet))*.