Perhaps you should try some spelling variations:
chiet tach » chieu sach
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
hach toan » thanh toan, manh toan
toan cau » toan cao, toan ban, toan tap

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)) - canh tranh cua ((hang cong) OR (bang cong)) hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chiet tach)) - canh tranh cua ((hang cong) OR (bang cong)) hach toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chiet tach)) - canh tranh cua ((hang cong) OR (bang cong)) hach toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chiet tach)) - canh tranh cua ((hang cong) OR (bang cong)) hach toan cau*.