Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, thanh hang
trong tac » trong cac, tuong tac, trong tan
van dung » van dong, xay dung, tin dung
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hieu lang - ((hanh mang) OR (nhanh lang)) van dung trong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - ((hanh mang) OR (nhanh lang)) van dung trong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((hanh mang) OR (nhanh lang)) van dung trong tac toan ban*.