Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
chiet tach » chieu sach
hieu manh » chieu xanh, hieu nganh, dieu hanh
tong cong » trong cong, cong cong, dung cong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
cua tong » cua cong, cua dong, cua nong
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 ((hieu manh) or (chiet tach)) - ((hanh trinh) OR (canh tranh)) cua tong cong hach toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chiet tach)) - ((hanh trinh) OR (canh tranh)) cua tong cong hach toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chiet tach)) - ((hanh trinh) OR (canh tranh)) cua tong cong hach toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chiet tach)) - ((hanh trinh) OR (canh tranh)) cua tong cong hach toan ban*.