Perhaps you should try some spelling variations:
luong quang » luong quan, dung quang
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
dung luong » dung thuong, dung phuong, dung truong
doi chieu » doc hieu, doi chi, ho chieu
juan cao » quang cao, toan cao, juan a
quan cau » quang cao, toan cau, quan ha

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 - thanh ((trung tuan) or (tran quang)) dung luong quang ((juan cao) or (quan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((trung tuan) OR (tran quang)) dung luong quang ((juan cao) OR (quan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((trung tuan) or (tran quang)) dung luong quang ((juan cao) or (quan cau))*.