Perhaps you should try some spelling variations:
khau thuong » khac thuong, khai thuong, khau thong
phan thong » phan thuong, phan hong, phan tong
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
khoa khau » khoa kham, khoa phau, khoa chau
sach tri » sach tai, sach tren, sach truc
tue hang » te hang, lue zhang, thuy hang
hang hoa » hang khoa, thanh hoa, hang va
hoa phan » hoa dan, co phan
sach tam » sach tham, sach tai, sach dao
tam thuc » tham thuc, am thuc, nam thuc
tu sach » thu sach, su sach, te sach
vu sach » vu bach, su sach, vu khach

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 tri tue hang hoa phan thong ) or ( vu sach tam thuc doanh khoa khau thuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tri tue hang hoa phan thong ) OR ( vu sach tam thuc doanh khoa khau thuong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tri tue hang hoa phan thong ) or ( vu sach tam thuc doanh khoa khau thuong ))*.