Perhaps you should try some spelling variations:
"nhan dat cua chinh tri vien." » "nhan dat luan chinh tri vien." (Expand Search), "nhan dan cua chinh tri vien." (Expand Search), "han dat cua chinh tri vien." (Expand Search), "nhan dang cua chinh tri vien." (Expand Search), "nhan dat cua chinh tai vien." (Expand Search), "nhan dat cua chinh tri viet." (Expand Search), "nhan dat cua chinh tri kien." (Expand Search), "nhan vat cua chinh tri vien." (Expand Search), "nhan mat cua chinh tri vien." (Expand Search), "nhan hat cua chinh tri vien." (Expand Search)
"phan vat su chinh tri vien." » "phan vat su chinh tai vien." (Expand Search), "phan vat su chinh tri viet." (Expand Search), "phan vat su chinh tri kien." (Expand Search), "nhan vat su chinh tri vien." (Expand Search), "phan van su chinh tri vien." (Expand Search), "phan va su chinh tri vien." (Expand Search), "phan vat so chinh tri vien." (Expand Search), "phan vat cuu chinh tri vien." (Expand Search), "phan vat luc chinh tri vien." (Expand Search), "phan vat tu chinh tri vien." (Expand Search), "phan dat su chinh tri vien." (Expand Search), "phan vat xu chinh tri vien." (Expand Search)

Try widening your search to All Fields.

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

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