Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thanh sinh » thanh binh, thanh tinh, thanh vinh
thong cong » trong cong, tong cong, thong thong
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
va thong » va thuong, va phuong, he thong
toan cao » toan ban, toan tap
sinh va » sinh vat, tinh va, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chieu xanh) OR (chieu sang)) - thanh sinh va thong cong vang toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chieu xanh) OR (chieu sang)) - thanh sinh va thong cong vang toan cao".
• Adding a wildcard symbol may retrieve word variants: chao ((chieu xanh) OR (chieu sang)) - thanh sinh va thong cong vang toan cao*.