Perhaps you should try some spelling variations:
nhanh mang » hanh mang, nhanh quang, nhanh thang
nhanh lang » nhanh quang, nhanh thang, nhan dang
nang cong » nang song, dang cong, bang cong
hoc dieu » hoc thieu, hoc hien
van nang » van quang, van ban, van dong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: hoc dieu hanh - ((nhanh mang) OR (nhanh lang)) van nang cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc dieu hanh - ((nhanh mang) OR (nhanh lang)) van nang cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - ((nhanh mang) OR (nhanh lang)) van nang cong dan toan ban*.