Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
luan lang » luan nang, quan lang, luan tang
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
lan lang » ban lang, lan tang, van lang
phan tap » phan lap, han tap, pha 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) OR (chiet tach)) - canh tranh ((luan lang) or (lan lang)) cong doan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - canh tranh ((luan lang) OR (lan lang)) cong doan phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - canh tranh ((luan lang) or (lan lang)) cong doan phan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - canh tranh ((luan lang) or (lan lang)) cong doan phan tap*.