Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thanh thong » thanh thuong, thanh hong, thanh chuong
chieu sang » chieu sach, chieu xanh, hieu lang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong sat » cong suat, cong san, cong hat
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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 - ((thanh thong) OR (thanh thang)) cua dung cong sat ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((thanh thong) OR (thanh thang)) cua dung cong sat ((phan cau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((thanh thong) OR (thanh thang)) cua dung cong sat ((phan cau) or (phan cac))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((thanh thong) OR (thanh thang)) cua dung cong sat ((phan cau) or (phan cac))*.