Perhaps you should try some spelling variations:
quang cuong » quang phuong, tang cuong, quang dung
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
hanh manh » hanh mang, lanh manh, hoang manh
chu quang » chat quang, vu quang
cuong dan » cuong danh, huong dan, cong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
lan anh » van anh, tuan anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((hanh manh) or (lan anh)) chu quang cuong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((hanh manh) OR (lan anh)) chu quang cuong dan than ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((hanh manh) or (lan anh)) chu quang cuong dan than ban*.