Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
thanh doanh » hanh doanh, thanh toan, toan doanh
doc sach » hoc sach, toc sach, nuoc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
luc va » tuc va, loc va
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
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: doc sach ky nang ma hoi. hieu va cam ((luc va) or (duc va)) ((thanh doanh) OR (chinh doanh)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach ky nang ma hoi. hieu va cam ((luc va) OR (duc va)) ((thanh doanh) OR (chinh doanh)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc sach ky nang ma hoi. hieu va cam ((luc va) or (duc va)) ((thanh doanh) OR (chinh doanh)) cua te".
• Adding a wildcard symbol may retrieve word variants: doc sach ky nang ma hoi. hieu va cam ((luc va) or (duc va)) ((thanh doanh) OR (chinh doanh)) cua te*.