Perhaps you should try some spelling variations:
"nhan vat cuu chinh tri kien." » "nhan vat cua chinh tri kien." (Expand Search), "nhan vat cuu sinh tri kien." (Expand Search), "nhan vat cuu kinh tri kien." (Expand Search), "nhan vat cuu chinh trien kien." (Expand Search), "nhan vat cuu chinh tri kinh." (Expand Search), "nhan vat chu chinh tri kien." (Expand Search), "nhan vat cau chinh tri kien." (Expand Search), "phan vat cuu chinh tri kien." (Expand Search)
"nhan vat su chinh tai vien." » "nhan vat su chinh ta vien." (Expand Search), "nhan vat su chi tai vien." (Expand Search), "nhan vat su minh tai vien." (Expand Search), "nhan vat so chinh tai vien." (Expand Search), "nhan vat cua chinh tai vien." (Expand Search), "nhan vat luc chinh tai vien." (Expand Search), "nhan vat su chinh tai viet." (Expand Search), "nhan vat su chinh tai lieu." (Expand Search), "nhan vat su chinh dai viet." (Expand Search), "nhan vat tu chinh tai vien." (Expand Search), "nhan dat su chinh tai vien." (Expand Search), "nhan vat xu chinh tai vien." (Expand Search), "phan vat su chinh tai 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 vat cuu chinh tri kien.") OR ("nhan vat su chinh tai vien."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nhan vat cuu chinh tri kien.\") OR (\"nhan vat su chinh tai vien.\"))".
• Removing quotes may allow a broader search: (( nhan vat cuu chinh tri kien. ) OR ( nhan vat su chinh tai vien. )).
• Adding a wildcard symbol may retrieve word variants: (("nhan vat cuu chinh tri kien.") OR ("nhan vat su chinh tai vien."))*.