Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
tong cong » trong cong, cong cong, dung cong
manh toan » thanh toan, anh tuan
thang va » hang va, trang va, thong va
va tong » va thong, va tuong, va trong

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 (hieu lang)) - cang thang va tong cong ((manh toan) OR (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (hieu lang)) - cang thang va tong cong ((manh toan) OR (tinh toan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (hieu lang)) - cang thang va tong cong ((manh toan) OR (tinh toan)) cao*".