Perhaps you should try some spelling variations:
khau thuong » khac thuong, khai thuong, khau thong
khoan khau » khoanh khac, khoa kham, khoa phau
doanh thu » doanh tai
thu thuoc » tu thuoc, thu thuc, tru thuoc
thuoc dan » thuoc dang, thuc dan, thuoc ban
sach tai » sach bai, sach tham, sach dao
so doanh » so danh, su doanh, hoa doanh
tu thong » tu thuong, tu tuong, tu trong
tu sach » thu sach, su sach, te sach
tai tue » tri tue, tai tu, tai tieu
tue cac » tu cac, tuc cac, te cac
dan hoc » van hoc, dan toc, dai hoc
hoc tu » hoc thuc

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 tai tue cac khoan khau thuong ) or ( so doanh thu thuoc dan hoc tu thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tai tue cac khoan khau thuong ) OR ( so doanh thu thuoc dan hoc tu thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tai tue cac khoan khau thuong ) or ( so doanh thu thuoc dan hoc tu thong ))*.