Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
dung manh » duong manh, dung danh, hung manh
manh toan » thanh toan, anh tuan, tinh toan
chinh va » chinh ta, chinh tai, hanh va
toan tap » toan ban
ung » cung
dung » dcung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chiet tach)) - hanh chinh va ung dung manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chiet tach)) - hanh chinh va ung dung manh toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chiet tach)) - hanh chinh va ung dung manh toan tap*.