Perhaps you should try some spelling variations:
luong quang » luong quan, dung quang
manh tuong » manh cuong, minh tuong, anh huong
cong quang » thong quang, duong quang, dang quang
hieu lang » chieu sang, hieu quang, nhieu tang
manh tung » manh hung, thanh tung
cua nhung » va nhung
doi hieu » doi chieu, doc hieu, doi hien
hoan cap » doan cap, hoang cao, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - ((manh tuong) or (manh tung)) cua nhung ((cong quang) OR (luong quang)) hoan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((manh tuong) OR (manh tung)) cua nhung ((cong quang) OR (luong quang)) hoan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - ((manh tuong) or (manh tung)) cua nhung ((cong quang) OR (luong quang)) hoan cap*".