Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
danh lai » danh sai, gianh lai, dinh lam
thu sach » tu sach, thuat sach, thuoc sach
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
thi van » thi lan, thi hanh, thi nang
cac duc » cac du, cao duc, cac dac
va danh » va dinh, va dan, va hanh
lai cua » dai cua, hai cua, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty ((nang xa) OR (lang xa)) hoi. ((hieu ve) or (thi van)) cac duc va danh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty ((nang xa) OR (lang xa)) hoi. ((hieu ve) OR (thi van)) cac duc va danh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty ((nang xa) OR (lang xa)) hoi. ((hieu ve) or (thi van)) cac duc va danh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((nang xa) OR (lang xa)) hoi. ((hieu ve) or (thi van)) cac duc va danh lai cua triet*.