Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
hieu lang » chieu sang, hieu quang, nhieu tang
tuong cua » truong cua, huong cua, thong cua
cua trong » cua truong, cua trung, qua trong
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh tuong cua trong cong ((san toan) OR (dan toan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - thanh tuong cua trong cong ((san toan) OR (dan toan)) cao".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tuong cua trong cong ((san toan) OR (dan toan)) cao*.