Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
van quang » van quan, tran quang, van tuan
ho chieu » theo chieu, hoc thieu, doi chieu
van nang » van ban, van dong, van dung
cong san » cong tac
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 - canh tranh ((van nang) OR (van quang)) cong san toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh ((van nang) OR (van quang)) cong san toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh ((van nang) OR (van quang)) cong san toan cao*.