Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
trong xa » trong xay, trong ca, trong xu
hang ban » hang luan, hang va, hang tai
nam thuc » nam thuoc, am thuc, nam thu
hieu van » hieu va, thien van, hieu ve
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
thuc va » thuc vat, thuc dan, thuc day
va hang » van hang, va nang, va lang
ban cua » ban quan
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((lang xa) or (trong xa)) hoi. ((hieu van) OR (lieu va)) nam thuc va hang ban cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((lang xa) OR (trong xa)) hoi. ((hieu van) OR (lieu va)) nam thuc va hang ban cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((lang xa) or (trong xa)) hoi. ((hieu van) OR (lieu va)) nam thuc va hang ban cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((lang xa) or (trong xa)) hoi. ((hieu van) OR (lieu va)) nam thuc va hang ban cua triet*.