Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
su sach » so sach, vu sach
dao duc » giao duc, tao duoc
vang xa » lang xa, ang xa, dang xay
vai cua » dai cua, hai cua, lai cua
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van
sach ly » sach y, sach lo, sach ty
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: su sach ly ((vang xa) OR (mang xa)) hoi. hieu ve ((cam xuc) or (dao duc)) van thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly ((vang xa) OR (mang xa)) hoi. hieu ve ((cam xuc) OR (dao duc)) van thanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly ((vang xa) OR (mang xa)) hoi. hieu ve ((cam xuc) or (dao duc)) van thanh vai cua te*".