Perhaps you should try some spelling variations:
"nhan vat cua chinh tri kien." » "nhan vat luan chinh tri kien." (Expand Search), "nhan vat cua chinh trien kien." (Expand Search), "nhan vat cua chinh tri kinh." (Expand Search), "nhan vat chat chinh tri kien." (Expand Search), "phan vat cua chinh tri kien." (Expand Search)
"nhan vat xu thinh tri kien." » "nhan vat xu thanh tri kien." (Expand Search), "nhan vat xu thinh thi kien." (Expand Search), "nhan vat xu hinh tri kien." (Expand Search), "nhan vat xu thinh trien kien." (Expand Search), "nhan vat xu thinh tri kinh." (Expand Search), "nhan vat xa thinh tri kien." (Expand Search), "nhan vat xuan thinh tri kien." (Expand Search), "nhan vat tu thinh tri kien." (Expand Search), "phan vat xu thinh 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 cua chinh tri kien.") OR ("nhan vat xu thinh tri kien."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nhan vat cua chinh tri kien.\") OR (\"nhan vat xu thinh tri kien.\"))".
• Removing quotes may allow a broader search: (( nhan vat cua chinh tri kien. ) OR ( nhan vat xu thinh tri kien. )).
• Adding a wildcard symbol may retrieve word variants: (("nhan vat cua chinh tri kien.") OR ("nhan vat xu thinh tri kien."))*.