Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cau thuc » cau truc, cuu thuc, can thuc
mai khoi » mai khoa, tai khoa, cac khoi
duy sang » duy van, duy can, duy anh
mai hoi » dai hoi, lai hoi, mai doi
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
y sang » _ sang
ve cau » ke cau, va cau, ve cac
vi cua » vai cua, di cua
cuoc » quoc, duoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: cuoc cach ((y sang) or (duy sang)) ((mai hoi) or (mai khoi)). hieu ve cau thuc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cuoc cach ((y sang) OR (duy sang)) ((mai hoi) OR (mai khoi)). hieu ve cau thuc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: cuoc cach ((y sang) or (duy sang)) ((mai hoi) or (mai khoi)). hieu ve cau thuc va hanh vi cua triet*.