Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh ban » thanh san, thanh van, thanh bac
xuc ban » duc ban, cuc ban, quoc ban
ban cua » ban quan
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, mang xa
xuc van » duc van, luc van, vuc van
tu van » tu va
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: tu van ky ((nang xa) OR (nang ma)) hoi. hieu ve cac ((xuc van) OR (xuc ban)) thanh ban cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu van ky ((nang xa) OR (nang ma)) hoi. hieu ve cac ((xuc van) or (xuc ban)) thanh ban cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu van ky ((nang xa) OR (nang ma)) hoi. hieu ve cac ((xuc van) or (xuc ban)) thanh ban cua triet*.