Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
su triet » su viet, ve triet
thu sach » tu sach, thuat sach, thuoc sach
hang tai » hang va, dung tai
tai hai » thi hai, dai hai, tai ha
hieu ve » hieu va, hieu van
ve tham » va tham, ve cham, vi tham
sach ly » sach y, sach lo, sach ty
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
ly hang » ly quang
su tien » su kien, su hien, tu tieng

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 ly hang tai hai. hieu ve tham thuc va danh di ((su triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ly hang tai hai. hieu ve tham thuc va danh di ((su triet) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: thu sach ly hang tai hai. hieu ve tham thuc va danh di ((su triet) or (su tien))*.