Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hang doanh » hanh doanh, nhung doanh, van doanh
doanh luan » doanh nhan
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
cong sang » cong san, cong lang, cong vang
sang than » cang thang, dang thanh, sang tao
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 xanh) or (chiet tach)) - hang doanh luan nang cong sang than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - hang doanh luan nang cong sang than cap*.