Perhaps you should try some spelling variations:
cong truong » cuong truong, cong thuong, cong trong
truong toan » truong ton, trong toan, truong tan
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
va thong » va thuong, va phuong, he thong
toan cao » toan ban, toan tap
tung va » trung va, tuong va, dung va

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 xanh) OR (chieu sang))) or (chinh sach)) - thanh tung va thong cong truong toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (chieu sang))) OR (chinh sach)) - thanh tung va thong cong truong toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu xanh) OR (chieu sang))) or (chinh sach)) - thanh tung va thong cong truong toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) OR (chieu sang))) or (chinh sach)) - thanh tung va thong cong truong toan cao*.