Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
danh thanh » dinh thanh, dang thanh, nhanh thanh
tuan tong » thuan trong, toan thong, tuan duong
toan tong » toan thong, toan trong, toan cong
cong san » cong tac
san van » tan van, luan van, tran van

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) OR (chieu sang)) - danh thanh ((tuan tong) or (toan tong)) cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - danh thanh ((tuan tong) OR (toan tong)) cong san van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu sang)) - danh thanh ((tuan tong) or (toan tong)) cong san van ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chieu sang)) - danh thanh ((tuan tong) or (toan tong)) cong san van ban*.