Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cua » truong ca, truong quan, truong cao
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
hieu lang » hieu quang, nhieu tang, hieu van
dang cong » dung cong
toan ban » van ban

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