Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh luan » trinh luan, trinh luat, doanh luan
luan chung » luan chinh
chung tung » chuong trung, chiung hung, chung thong
tung dan » dung dan, huong dan, trung dai
dan han » dan chan, dan than, dan hanh
han tap » han tai, toan tap, nhan tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (chieu tinh)) - canh tranh luan chung tung dan han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu tinh)) - canh tranh luan chung tung dan han tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu tinh)) - canh tranh luan chung tung dan han tap*.