Perhaps you should try some spelling variations:
danh van » doanh van, dang van, dinh van
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
tang ma » mang may, tang van
sang ma » nang ma, sang tao, mang may
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
van cua » vang cua, ban cua, dan cua
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
cua te » cua tu

You may be able to get more results by adjusting your search query.

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