Perhaps you should try some spelling variations:
nang luong » nang song
chieu sach » chinh sach, chiet tach, chieu sang
luong quan » thong quan, duong qua
quan trong » gian trong
hieu lang » chieu sang, hieu quang, nhieu tang
nhan cach » phan cac
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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 (hieu lang)) - nang luong quan trong cong tan ((than cap) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu lang)) - nang luong quan trong cong tan ((than cap) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu lang)) - nang luong quan trong cong tan ((than cap) or (nhan cach))*.