Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh huong, thanh cuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan 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 ((lieu tinh) or (chieu sang)) - ((thanh tuong) OR (thanh tung)) cua nhung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (chieu sang)) - ((thanh tuong) OR (thanh tung)) cua nhung cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((lieu tinh) or (chieu sang)) - ((thanh tuong) OR (thanh tung)) cua nhung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (chieu sang)) - ((thanh tuong) OR (thanh tung)) cua nhung cong tac toan tap*.