Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
van tan » van tuan, van ban, van thanh
van tai » von tai, van tuan

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 cua tong cong ((van tan) OR (van tai)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu tinh)) - canh tranh cua tong cong ((van tan) OR (van tai)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) or (chieu tinh)) - canh tranh cua tong cong ((van tan) OR (van tai)) cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu tinh)) - canh tranh cua tong cong ((van tan) OR (van tai)) cau*.