Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
cau thuc » cau truc, cuu thuc, can thuc
tu sach » thu sach, su sach, te sach
thuc va » thuc vat, thuc dan, thuc day
hieu va » hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
sach v » sach va, sach y, sach 2
ma hoi » xa hoi, ma hoa, me hoi
v nang » va nang, vu nang, van nang
vi cua » vai cua, di cua
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 sach v nang ((ma hoi) or (mai hoi)). ((hieu va) or (lieu va)) cau thuc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang ((ma hoi) OR (mai hoi)). ((hieu va) OR (lieu va)) cau thuc va thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach v nang ((ma hoi) or (mai hoi)). ((hieu va) or (lieu va)) cau thuc va thanh vi cua te*.