Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
hanh tranh » hanh trinh, hanh trang, lanh tranh
hien manh » hien hanh, tien manh, hieu manh
cua nhung » va nhung
duong van » duong va, luong va, dang van
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang 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 manh - ((hanh tranh) or (canh tranh)) cua nhung duong van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - ((hanh tranh) OR (canh tranh)) cua nhung duong van tan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - ((hanh tranh) or (canh tranh)) cua nhung duong van tan ban*.