Perhaps you should try some spelling variations:
doanh vai » doanh tai, doanh van, doanh giai
doanh va » doan va, doanh tai, doanh cua
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
cua cay » cua cac
xuc va » duc va, tuc va, luc va
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 nang ma hoa. hieu ve cac xuc va ((doanh vai) or (doanh va)) ((cua te) or (cua cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoa. hieu ve cac xuc va ((doanh vai) OR (doanh va)) ((cua te) OR (cua cay)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoa. hieu ve cac xuc va ((doanh vai) or (doanh va)) ((cua te) or (cua cay))*.