Perhaps you should try some spelling variations:
thien van » thi van
hanh vai » hanh vi, hanh va, hanh tai
tang van » dang van, hoang van, trong van
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
cau tuc » cau truc, cau tu, cau luc
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach ty
tang ma » mang may
cuu tre » cau tren, cau treo
tuc va » thuc va, truc va, tuc xa

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 ((tang ma) or (tang van)) hoi. thien van cau tuc va hanh vai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((tang ma) OR (tang van)) hoi. thien van cau tuc va hanh vai ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((tang ma) or (tang van)) hoi. thien van cau tuc va hanh vai ((cua tre) OR (cuu tre))*".