Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
mai khoi » mai khoa, tai khoa, cac khoi
thanh vi » hanh vi, thanh va, thanh ve
cac thuc » cach thuc, cac thu, can thuc
hieu ve » hieu va, hieu van
ky lang » ky nang, ky dang, ky tang
mai hoi » dai hoi, lai hoi, mai doi
thuc va » thuc vat, thuc dan, thuc day
tu bai » tu ban, tu bat, te bai
ve cac » va cac, vien cac
bai ky » ban ky, sai ky, bac ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu bai ky lang ((mai hoi) OR (mai khoi)). hieu ve cac thuc va thanh vi ((cua triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky lang ((mai hoi) OR (mai khoi)). hieu ve cac thuc va thanh vi ((cua triet) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai ky lang ((mai hoi) OR (mai khoi)). hieu ve cac thuc va thanh vi ((cua triet) or (cua te))*".