Perhaps you should try some spelling variations:
"nhan vat co chinh tri vien." » "nhan vat cao chinh tri vien." (Expand Search), "nhan vat cho chinh tri vien." (Expand Search), "nhan vat cot chinh tri vien." (Expand Search), "nhan vat co chinh tai vien." (Expand Search), "nhan vat co chinh tri viet." (Expand Search), "nhan vat co chinh tri chien." (Expand Search), "nhan vat o chinh tri vien." (Expand Search), "nhan hat co chinh tri vien." (Expand Search), "phan vat co chinh tri vien." (Expand Search)
"nhan vat co chinh tri kien." » "nhan vat cao chinh tri kien." (Expand Search), "nhan vat cho chinh tri kien." (Expand Search), "nhan vat cot chinh tri kien." (Expand Search), "nhan vat co chinh trien kien." (Expand Search), "nhan vat co chinh tri kinh." (Expand Search), "nhan vat o chinh tri kien." (Expand Search), "nhan hat co chinh tri kien." (Expand Search), "phan vat co chinh tri kien." (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 vat co chinh tri vien.") OR ("nhan vat co chinh tri kien."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nhan vat co chinh tri vien.\") OR (\"nhan vat co chinh tri kien.\"))".
• Removing quotes may allow a broader search: (( nhan vat co chinh tri vien. ) OR ( nhan vat co chinh tri kien. )).
• Adding a wildcard symbol may retrieve word variants: (("nhan vat co chinh tri vien.") OR ("nhan vat co chinh tri kien."))*.