Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hien nhanh » thien thanh, tien thanh, dien thanh
phuong dan » phuong danh, phuong doan, huong dan
hien hanh » dieu hanh
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
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 ((hien nhanh) or (hien hanh)) - ((hanh manh) OR (hanh mang)) cua nhung phuong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hien hanh)) - ((hanh manh) OR (hanh mang)) cua nhung phuong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) or (hien hanh)) - ((hanh manh) OR (hanh mang)) cua nhung phuong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (hien hanh)) - ((hanh manh) OR (hanh mang)) cua nhung phuong dan toan ban*.