Perhaps you should try some spelling variations:
"nhan vat cua chinh tri vien." » "nhan vat luan chinh tri vien." (Expand Search), "nhan vat cua chinh tai vien." (Expand Search), "nhan vat cua chinh tri viet." (Expand Search), "nhan vat cua chinh tri kien." (Expand Search), "nhan vat chat chinh tri vien." (Expand Search)
"phan van cua chinh tri vien." » "phan van luan chinh tri vien." (Expand Search), "phan van cua chinh tai vien." (Expand Search), "phan van cua chinh tri viet." (Expand Search), "phan van cua chinh tri kien." (Expand Search), "nhan van cua chinh tri vien." (Expand Search), "luan van cua chinh tri vien." (Expand Search), "san van cua chinh tri vien." (Expand Search), "phan ban cua chinh tri vien." (Expand Search), "phan dan cua chinh tri vien." (Expand Search), "phan san cua chinh tri vien." (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nhan vat cua chinh tri vien.") OR ("phan van cua chinh tri vien."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nhan vat cua chinh tri vien.\") OR (\"phan van cua chinh tri vien.\"))".
• Removing quotes may allow a broader search: (( nhan vat cua chinh tri vien. ) OR ( phan van cua chinh tri vien. )).
• Adding a wildcard symbol may retrieve word variants: (("nhan vat cua chinh tri vien.") OR ("phan van cua chinh tri vien."))*.