Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trung tuan » trung thanh, trung tam, truong thanh
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung cap, dung cua
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh

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