Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
manh toan » thanh toan, anh tuan, tinh toan
hinh anh » thich anh
va thong » va thuong, va phuong, he thong
dan than » dan chan, ban than, van than
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (chieu sach)) - hinh anh va thong cong ((manh toan) or (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hinh anh va thong cong ((manh toan) OR (dan than)) tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hinh anh va thong cong ((manh toan) or (dan than)) tap*.