Perhaps you should try some spelling variations:
"nhan vat cua chinh trien kien." » "nhan vat cua chinh truyen kien." (Expand Search), "nhan vat cua chinh tri kien." (Expand Search), "nhan vat cua chinh bien kien." (Expand Search), "nhan vat cua chinh trien ben." (Expand Search), "nhan vat cua chinh trien kinh." (Expand Search), "nhan vat chat chinh trien kien." (Expand Search), "phan vat cua chinh trien kien." (Expand Search)
"nhan vat luan chinh trien kien." » "nhan vat luan chinh truyen kien." (Expand Search), "nhan vat luan chinh tri kien." (Expand Search), "nhan vat luan chinh bien kien." (Expand Search), "nhan vat luan chinh trien ben." (Expand Search), "nhan vat luan chinh trien kinh." (Expand Search), "nhan vat quan chinh trien kien." (Expand Search), "nhan mat luan chinh trien kien." (Expand Search), "nhan cat luan chinh trien kien." (Expand Search), "phan vat luan chinh trien 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 trien kien.") OR ("nhan vat luan chinh trien kien."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nhan vat cua chinh trien kien.\") OR (\"nhan vat luan chinh trien kien.\"))".
• Removing quotes may allow a broader search: (( nhan vat cua chinh trien kien. ) OR ( nhan vat luan chinh trien kien. )).
• Adding a wildcard symbol may retrieve word variants: (("nhan vat cua chinh trien kien.") OR ("nhan vat luan chinh trien kien."))*.