Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
huong danh » cuong danh, huong dang, phuong dinh
hieu lang » chieu sang, hieu quang, nhieu tang
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
doi hieu » doi chieu, doc hieu, doi hien
manh cua » doanh cua, ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - canh manh cua nhung ((((huong danh) OR (phuong danh))) or (huong dan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - canh manh cua nhung ((((huong danh) OR (phuong danh))) OR (huong dan)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - canh manh cua nhung ((((huong danh) OR (phuong danh))) or (huong dan)) phan tu".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - canh manh cua nhung ((((huong danh) OR (phuong danh))) or (huong dan)) phan tu*.