Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thiet tach » chiet tach, thien hach, thuat tach
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
canh manh » lanh manh, canh tranh, cach mang
cua thong » cua thuong, cua khong, cua tong
manh cua » doanh cua, ban cua
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((thiet tach) or (hien hanh))) or (chieu sach)) - canh manh cua thong cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((thiet tach) OR (hien hanh))) OR (chieu sach)) - canh manh cua thong cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((thiet tach) or (hien hanh))) or (chieu sach)) - canh manh cua thong cong tap toan ban*.