Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
van thanh » ban thanh, van tuan
su sach » so sach
cao duc » dao duc, cao suc, giao duc
vu sach » vu bach, vu khach
ly mang » ly hang, ly vang, ly nang
mang xa » lang xa, mang may, dang xay
hieu ve » hieu va, hieu van
cam duc » cam xuc, pham duc, nam duoc
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) or (vu sach)) ly mang xa hoi. hieu ve ((cam duc) or (cao duc)) van thanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ly mang xa hoi. hieu ve ((cam duc) OR (cao duc)) van thanh dai cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ly mang xa hoi. hieu ve ((cam duc) or (cao duc)) van thanh dai cua te*.