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