Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
thuoc doanh » thuoc dang, thuoc dong, thuoc thanh
thuat lanh » thuat lap, thuat san
khoan phan » khoan phai, khoan thanh, hoa phan
truc thuoc » thuc thuc, tri thuoc, tu thuoc
doanh khoa » toan khoa
khau thong » khau thuong, khap thong, khau tong
lanh truc » anh thuc, lanh tu, anh trac
truc thuy » thuc thuc, thu thuy, tran thuy
sach truc » cach thuc, sach tren, sach thu
khoa khau » khoa kham, khoa phau, khoa chau
thuy cac » thuyet cac, thuc cach, thuy canh
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thuat lanh truc thuy cac khoan phan thuong ) or ( su sach truc thuoc doanh khoa khau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thuat lanh truc thuy cac khoan phan thuong ) OR ( su sach truc thuoc doanh khoa khau thong )).
• Adding a wildcard symbol may retrieve word variants: (( thuat lanh truc thuy cac khoan phan thuong ) or ( su sach truc thuoc doanh khoa khau thong ))*.