Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
chieu xanh » chieu sach, chieu sang, chieu tinh
tang quan » tang luan, nang quan, tong quan
trong dan » trong dang, trong san, trong tan
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 xanh - hanh ((thong quang) or (tang quan)) dung trong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((thong quang) OR (tang quan)) dung trong dan toan ban*.