Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
dang cong » dung cong
manh toan » thanh toan, anh tuan, tinh toan
san toan » van toan, dan toan, xuan toan
va dang » van dang, va nang, va lang

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 tung) or (thanh thang)) va dang cong ((san toan) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((thanh tung) OR (thanh thang)) va dang cong ((san toan) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((thanh tung) or (thanh thang)) va dang cong ((san toan) or (manh toan)) cao*.