Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
vu sach » vu bach, su sach, vu khach
sang ma » nang ma, sang tao, mang may
vai cua » dai cua, hai cua, lai cua
tang ma » mang may, tang van
va danh » va dinh, va dan, va hanh
sach ky » sac ky, sach y, sach ty
xuc va » duc va, tuc va, luc va
ve cai » va cai, ve tai, ve cau
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: vu sach ky ((sang ma) or (tang ma)) hai. hieu ((ve cai) or (ve cac)) xuc va danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky ((sang ma) OR (tang ma)) hai. hieu ((ve cai) OR (ve cac)) xuc va danh vai cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach ky ((sang ma) or (tang ma)) hai. hieu ((ve cai) or (ve cac)) xuc va danh vai cua te*.