Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thanh thong » thanh thuong, thanh hong, thanh thang
thong minh » thong tin, hoang minh
va phuong » va thuong, cac phuong
minh toan » tinh toan, manh toan, minh tuan
ho thieu » hoc thieu, ho chieu, ho thiet
va thong » va thuong, he thong, va cong
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 thieu quang - thanh thong ((va thong) or (va phuong)) thong minh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thieu quang - thanh thong ((va thong) OR (va phuong)) thong minh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho thieu quang - thanh thong ((va thong) or (va phuong)) thong minh toan ban*.