Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh chua » tranh cua, trinh chuan, tranh chap
chua bang » chu bang, chua nang, chua xang
song tac » sang tac, dong tac, song tam
cong tac » cong ty
toan cao » toan ban, toan tap

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 (chieu tinh)) - canh tranh chua bang ((song tac) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu tinh)) - canh tranh chua bang ((song tac) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu tinh)) - canh tranh chua bang ((song tac) or (cong tac)) toan cao*.