Perhaps you should try some spelling variations:
doanh khoan » doanh khoa, doanh hoan, doanh nhan
phau thong » phap thong, khau thong, phan thong
thuc doanh » thuc hanh, thuc dan, chuc danh
khoan phai » khong phai, khoan hoi, khoan nhoi
khach bai » khach trai, sach bai, khach san
thuc dung » thuoc dung, thuy dung, tuc dung
dung khoa » dung cho
khoa phau » hoa phan, khoa kham, khoa than
phai tong » phai tuong, phan tong, thai tong
vu khach » vu khanh, vu khac, vay khach
bai thuc » bai thuoc, bao thuc, dai thuc
song dao » song da, dong dao, duong dao
dao thuc » dan thuc, dao tuc, do thuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( vu khach bai thuc dung khoa phau thong ) or ( thuat song dao thuc doanh khoan phai tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( vu khach bai thuc dung khoa phau thong ) OR ( thuat song dao thuc doanh khoan phai tong )).
• Adding a wildcard symbol may retrieve word variants: (( vu khach bai thuc dung khoa phau thong ) or ( thuat song dao thuc doanh khoan phai tong ))*.