Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung quan » truong quan, trong quan, trung tuan
thuong dan » huong dan, thuong han, thuong lan
thuong dam » thuong mai, huong dan, truong dai
quan dung » quang dung, quan duong, qua dung
phan cac » nhan cach, phan dau, phan lap

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) or (chieu xanh)) - thanh trung quan dung ((thuong dan) OR (thuong dam)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh trung quan dung ((thuong dan) OR (thuong dam)) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chieu xanh)) - thanh trung quan dung ((thuong dan) OR (thuong dam)) phan cac".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu xanh)) - thanh trung quan dung ((thuong dan) OR (thuong dam)) phan cac*.