Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap
cong cu » chung cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) OR (chieu sang)) - thanh cong cu ((nhung huong) or (truong phuong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - thanh cong cu ((nhung huong) OR (truong phuong)) van toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - thanh cong cu ((nhung huong) or (truong phuong)) van toan cao*".