Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
thao toan » thuat toan, thanh toan, thai doan
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
tap toan » tap quan, bai toan
tap doan » tap quan
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh trang va dung phuong ((thao toan) or (((tap toan) or (tap doan)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh trang va dung phuong ((thao toan) OR (((tap toan) OR (tap doan)))) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh trang va dung phuong ((thao toan) or (((tap toan) or (tap doan)))) cau*.