Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, tu cach
hieu ve » hieu va, hieu van
lai cua » dai cua, hai cua, lai chau
te sach » toc sach
vu sach » vu bach, su sach, vu khach
cac duc » cac du, cao duc, cac dac
cua te » cua tu
ve cac » va cac, vien cac
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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) or (te sach))) or (vu sach)) ky nang o hoi. hieu ve cac duc va thanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((tu sach) OR (te sach))) OR (vu sach)) ky nang o hoi. hieu ve cac duc va thanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: ((((tu sach) or (te sach))) or (vu sach)) ky nang o hoi. hieu ve cac duc va thanh lai cua te*.