Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh hoang » thanh hoang, anh hoang, minh hoang
than trong » thang trong, thuan trong, tran trong
hieu lang » chieu sang, hieu quang, nhieu tang
hoang van » hang va
quan cong » qua cong, luan cong, quan dong
cong than » cong thanh, cong thang, cong tan
van quan » van ban
trong ca » trong cac, trong nha

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (hieu lang)) - hanh hoang van quan cong than trong ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (hieu lang)) - hanh hoang van quan cong than trong ca.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (hieu lang)) - hanh hoang van quan cong than trong ca*.