Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hung quang » dung quang, hong quang, vung quang
ho chieu » theo chieu, hoc thieu, mot chieu
hung qua » dung qua, nhung quy, duong qua
cong san » cong tac
san phan » san pham, van phan, sat phan
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 - thanh ((hung qua) or (hung quang)) trong cong san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((hung qua) OR (hung quang)) trong cong san phan cac.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((hung qua) or (hung quang)) trong cong san phan cac*.