Perhaps you should try some spelling variations:
dung thuong » dung trong, hang thuong, cong thuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tran » thanh trang, thanh toan, thanh tra
dung tuong » dung truong, dung trong, dung luong
ho chieu » theo chieu, hoc thieu, doi chieu
tac toan » tap toan, tam toan, hach 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 sang - thanh tran quang ((dung tuong) OR (dung thuong)) tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh tran quang ((dung tuong) OR (dung thuong)) tac toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh tran quang ((dung tuong) OR (dung thuong)) tac toan ban*.