Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
trong chan » trong chuan, trong cham, trong can
hieu lang » hieu quang, nhieu tang, hieu van
chan dang » phan dang, chan dung, nhan dang
dang cong » dung cong
cong hoa » dong hoa, dong hoc, hang hoa
hoa than » khoa than, hoa thanh, hoa thuan
than cao » toan cao, thai cao, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sang)) - hanh trong chan dang cong hoa than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - hanh trong chan dang cong hoa than cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - hanh trong chan dang cong hoa than cao*.