Perhaps you should try some spelling variations:
thanh doanh » hanh doanh, thanh toan, chinh doanh
doanh cua » doanh luan
thu sach » tu sach, thuat sach, thuoc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
xuc gia » duc gia, luc gia, tuc gia
nang o » nang co, nang ho, nang ro
cua te » cua tu
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang o hoi. hieu ((van cam) or (van cau)) xuc gia thanh doanh cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang o hoi. hieu ((van cam) OR (van cau)) xuc gia thanh doanh cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang o hoi. hieu ((van cam) or (van cau)) xuc gia thanh doanh cua te*.