Perhaps you should try some spelling variations:
thien van » thi van
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
va triet » va thiet, va trien, ve triet
duoc ban » duc ban, quoc ban, buoc ban
van tao » van thao, vang tao, van tai
tu sach » thu sach, su sach, tu cach
te sach » toc sach
nang o » nang co, nang ho, nang ro
cua te » cua tu
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)) ky nang o hoi. thien van tao duoc ban thanh vai ((va triet) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang o hoi. thien van tao duoc ban thanh vai ((va triet) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang o hoi. thien van tao duoc ban thanh vai ((va triet) or (cua te))*.