Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
cong trong » cong thuong, duong trong, cong trinh
trung cap » truong cao, trung tam
trong dan » trong dang, trong san, trong tan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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 (chiet tach)) - thanh ((trung cap) or (tran quang)) cong trong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - thanh ((trung cap) OR (tran quang)) cong trong dan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - thanh ((trung cap) or (tran quang)) cong trong dan phan dau*.