Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
cham xuc » cam xuc, chat xuc, cham soc
thu sach » thuat sach, thuoc sach, thu hoach
ca chua » ca cua, sua chua
va chua » vua chua, va chu, a chua
xuc vay » xuc hay
tu sach » su sach, te sach, tu cach
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
ve cham » va cham, ve chat, vu cham
ma hoi » mai hoi, xa hoi, ma hoa

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) or (thu sach)) ky sang ma hoi. hieu ve cham xuc vay doanh ((va chua) or (ca chua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky sang ma hoi. hieu ve cham xuc vay doanh ((va chua) OR (ca chua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky sang ma hoi. hieu ve cham xuc vay doanh ((va chua) or (ca chua)) tre*.