Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
nhanh lang » nhanh quang, nhanh thang, nhan dang
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh mang » nhanh mang, hanh trang, thanh hang
thao toan » thuat toan, thanh toan, thai doan
ho chieu » theo chieu, hoc thieu, doi chieu
tap toan » tap doan, tap quan, bai toan
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 mang) OR (nhanh lang)) va dung phuong ((thao toan) or (tap toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((hanh mang) OR (nhanh lang)) va dung phuong ((thao toan) OR (tap toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((hanh mang) OR (nhanh lang)) va dung phuong ((thao toan) or (tap toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((hanh mang) OR (nhanh lang)) va dung phuong ((thao toan) or (tap toan)) cau*.