Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hang cong » dang cong, hang nong, bang cong
hach toan » thanh toan, manh toan
thong tu » phong tuc, thong tin, thong ke
tac toan » tap toan, tam toan, tich toan
tu hang » thu hang, tu hanh, tu hung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - thanh thong tu hang cong ((tac toan) or (hach toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - thanh thong tu hang cong ((tac toan) OR (hach toan)) tap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh thong tu hang cong ((tac toan) or (hach toan)) tap*.