Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thanh tung » thanh cong
nang quan » ban quan, nang suat
cua nang » chua nang, cua dang, cua hang
quan van » luan van, quan va, quan luan
van than » van thanh, van thang, van tuan
than ma » than man, than va, khan ma

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 sang) or (chieu sach)) - ((thanh tung) or (canh tranh)) cua nang quan van than ma~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - ((thanh tung) OR (canh tranh)) cua nang quan van than ma.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - ((thanh tung) or (canh tranh)) cua nang quan van than ma*.