Perhaps you should try some spelling variations:
ban hanh » ban hang
cay cong » cac cong, cao cong, cau cong
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
may hoa » may khoa, ma hoa, day hoa
hieu ve » hieu va, hieu van
dao duc » giao duc, tao duoc
di cua » dai cua, doi cua, de cua
ve dao » de dao, va dao, ve bao
y mang » cay mang
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: te sach ((y mang) or (cay cong)) may hoa. hieu ve dao duc ((ban hanh) or (va thanh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y mang) OR (cay cong)) may hoa. hieu ve dao duc ((ban hanh) OR (va thanh)) di cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ((y mang) or (cay cong)) may hoa. hieu ve dao duc ((ban hanh) or (va thanh)) di cua te*.