Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
ban cong » phan cong, ban huong, ban trong
van cong » van dong, van phong, phan cong
san toan » van toan, dan toan, manh toan
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 chieu sach - hanh tranh cua ((((ban cong) OR (bang cong))) or (van cong)) san toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tranh cua ((((ban cong) OR (bang cong))) OR (van cong)) san toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh tranh cua ((((ban cong) OR (bang cong))) or (van cong)) san toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tranh cua ((((ban cong) OR (bang cong))) or (van cong)) san toan cao*.