Perhaps you should try some spelling variations:
sang mai » sang tai, lang mai, hoang mai
hanh vai » hanh vi, hanh va, hanh tai
tu sach » thu sach, su sach, te sach
vai cuu » vai cua
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
hieu ve » hieu van
sang ma » tang ma, nang ma, sang tao
cuu tre » cua tre, cau tren, cau treo
xuc va » duc va, tuc va, luc va

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 ((sang mai) OR (sang ma)) hoi. ((hieu ve) or (hieu va)) cam xuc va hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((sang mai) OR (sang ma)) hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh vai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((sang mai) OR (sang ma)) hoi. ((hieu ve) or (hieu va)) cam xuc va hanh vai cuu tre*".