Perhaps you should try some spelling variations:
thien van » thi van
chau tho » chat thom, cau thi, phu tho
te sach » toc sach
ty song » tay song, ta song, ty dong
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
va dinh » van dinh, va kinh, vu dinh
va tinh » may tinh

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 song) or (tu dong)) xa hoi. thien van cam duc ((va dinh) OR (va tinh)) lai chau tho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty song) OR (tu dong)) xa hoi. thien van cam duc ((va dinh) OR (va tinh)) lai chau tho*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty song) or (tu dong)) xa hoi. thien van cam duc ((va dinh) OR (va tinh)) lai chau tho*".