Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
tranh van » tran van, trinh van, thanh van
van thong » van thuong, van phong, va thong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
phan dau » phan tu, hang dau

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 thong cong san ((phan lap) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh tranh van thong cong san ((phan lap) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh van thong cong san ((phan lap) OR (phan dau))*.