Perhaps you should try some spelling variations:
khong cuong » khong xuong, hong cuong, thong chuong
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
hanh dung » thanh dung, anh dung, hanh dong
cua khong » hua khong, cua phuong, cua thuong
cuong tap » luong tap, cong tac, luong tai
dung cua » dung luan, dung cho
tap toan » tap doan, tap quan, bai toan
toan cau » toan cao, toan ban, toan tap

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 dung cua khong cuong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chiet tach)) - hanh dung cua khong cuong tap toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chiet tach)) - hanh dung cua khong cuong tap toan cau*.