Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
chieu sach » chinh sach, chieu sang, chieu xanh
luan nhung » luan chung, luan hung, quan nhung
hanh dung » thanh dung, anh dung, hanh dong
luong tai » dung tai, luong va
doan ban » doanh ban, toan ban, doanh bat
doan van » doan va, hoang van, luan 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 ((chiet tach) or (chieu sach)) - hanh dung luan nhung luong tai ((doan ban) OR (doan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sach)) - hanh dung luan nhung luong tai ((doan ban) OR (doan van)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (chieu sach)) - hanh dung luan nhung luong tai ((doan ban) OR (doan van))".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sach)) - hanh dung luan nhung luong tai ((doan ban) OR (doan van))*.