Perhaps you should try some spelling variations:
thien van » thi van
duoc van » duoc va, duc van, duoc ban
lam duoc » nam duoc, luat duoc, lam thuoc
te sach » toc sach
hanh va » hanh vi
van lam » van nam
tay hoi » tay ho, tao hoi, tay thai
ky dang » ky nang, ky danh
ty dong » tay dong, tu dong, ly dong
cua tre » cua te, cuu tre, cua triet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty dong) or (ky dang)) tay hoi. thien van lam duoc van ((hanh va) OR (hang va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty dong) OR (ky dang)) tay hoi. thien van lam duoc van ((hanh va) OR (hang va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty dong) or (ky dang)) tay hoi. thien van lam duoc van ((hanh va) OR (hang va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty dong) or (ky dang)) tay hoi. thien van lam duoc van ((hanh va) OR (hang va)) cua tre*.