Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trong » hanh trang, anh trong, hinh trong
trong chuc » trong thuc, trong chu, trong chuan
cong phan » cong nhan, cong khan, chong phap
dong nhan » dung nhan, cong nhan, dong chan
thanh tap » thanh lap, thanh tai, thanh tay
ho chieu » theo chieu, hoc thieu, mot chieu

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 - hanh trong chuc nang ((cong phan) or (dong nhan)) thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh trong chuc nang ((cong phan) OR (dong nhan)) thanh tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh trong chuc nang ((cong phan) or (dong nhan)) thanh tap*.