Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tranh luan » trinh luan, trinh luat, doanh luan
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
cnhan tai » nhan tao, han tai, nhan tam
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
nhan tai » hang tai, van tai, toan tai

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 - canh tranh luan nang cong dan ((cnhan tai) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh tranh luan nang cong dan ((cnhan tai) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh tranh luan nang cong dan ((cnhan tai) or (nhan tai))*.