Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lai » thanh hai, thanh lap, thanh loi
tu sach » thu sach, su sach, te sach
lai cua » dai cua, hai cua, lai chau
ly vang » ly hang, ly van, ly quang
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, tao 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: tu sach ((ky nang) or (ly vang)) xa hoi. hieu ve ((cao duc) or (giao duc)) ban thanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky nang) OR (ly vang)) xa hoi. hieu ve ((cao duc) OR (giao duc)) ban thanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky nang) or (ly vang)) xa hoi. hieu ve ((cao duc) or (giao duc)) ban thanh lai cua te*.