Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh dan » trinh dan, tranh ban, thanh dan
dung cong » dung trong
dan dung » van dung, tin dung, ap dung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 tinh)) - canh tranh dan dung cong van toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chieu tinh)) - canh tranh dan dung cong van toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chieu tinh)) - canh tranh dan dung cong van toan ban*.