Perhaps you should try some spelling variations:
sang mai » sang tai, lang mai, hoang mai
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, ban hanh
hoi cua » hoi chuc
sang ma » tang ma, nang ma, sang tao
va danh » va dinh, va dan, dia danh
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
cua te » cua tu

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 cac xuc ((va hanh) or (va danh)) hoi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((sang mai) OR (sang ma)) hoi. hieu ve cac xuc ((va hanh) OR (va danh)) hoi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((sang mai) or (sang ma)) hoi. hieu ve cac xuc ((va hanh) or (va danh)) hoi cua te*.