Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cua triet » cua viet, su triet, va triet
duy sang » duy van, duy anh, duy dung
cau thuc » cau truc, cuu thuc, can thuc
vat hanh » vat thanh, van hanh, va hanh
duy can » duy van
hieu ve » hieu va, hieu van
ve cau » ke cau, va cau, ve cac
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach ((duy sang) or (duy can)) ma hoa. hieu ve cau thuc vat hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ((duy sang) OR (duy can)) ma hoa. hieu ve cau thuc vat hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: nuoc sach ((duy sang) or (duy can)) ma hoa. hieu ve cau thuc vat hanh vi cua triet*.