Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
duong van » duong va, luong va, dang van
cong danh » cuong danh, cong dan, cong thanh
manh cua » doanh cua, ban cua
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 xanh - canh manh cua nhung ((((duong manh) OR (duong van))) or (cong danh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh manh cua nhung ((((duong manh) OR (duong van))) OR (cong danh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - canh manh cua nhung ((((duong manh) OR (duong van))) or (cong danh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh manh cua nhung ((((duong manh) OR (duong van))) or (cong danh)) toan ban*.