Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chat thuc » thuat thuc, nhan thuc, chat thai
hieu cao » chieu cao, hieu cac, hieu ca
danh dai » danh dau, danh di, danh sai
hieu van » hieu va, thien van, lieu va
thu sach » tu sach, thuat sach, thuoc sach
sach ky » sac ky, sach y, sach ty
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
nang xa » lang xa, nang ma, mang xa

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 ky ((nang xa) or (nang x)) hoi. ((hieu cao) or (hieu van)) chat thuc va danh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky ((nang xa) OR (nang x)) hoi. ((hieu cao) OR (hieu van)) chat thuc va danh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky ((nang xa) or (nang x)) hoi. ((hieu cao) or (hieu van)) chat thuc va danh dai cua triet*.