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 tuan » trung thanh, trung tam, tran tuan
tuan nhung » quan nhung, tuan hung, thuat nhung
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chieu xanh)) - thanh trung tuan nhung ((cong tac) OR (cong ty)) tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu xanh)) - thanh trung tuan nhung ((cong tac) OR (cong ty)) tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chieu xanh)) - thanh trung tuan nhung ((cong tac) OR (cong ty)) tran tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chieu xanh)) - thanh trung tuan nhung ((cong tac) OR (cong ty)) tran tap*.