Perhaps you should try some spelling variations:
han » phan, nhan, hang
hanh » phanh, nhanh, hangh, thanh, anh, hinh
pthanh » ptphanh, ptnhanh, pthangh, ptthanh, ptanh, pthinh, thanh, phanh
ntphanh » ntpphanh, ntpnhanh, ntphangh, ntpthanh, ntpanh, ntphinh
phangh » pphangh, pnhangh, phanggh, phang, phanh
knhanh » knphanh, knnhanh, knhangh, knthanh, knanh, knhinh, khanh, nhanh
thinh » trinh, thanh, tinh
khinh » kinh, chinh, hinh

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(han OR (((hanh OR pthanh) OR ntphanh) OR (phangh OR (thinh OR (knhanh OR khinh))))) dynasty~".
• Adding a wildcard symbol may retrieve word variants: (han OR (((hanh OR pthanh) OR ntphanh) OR (phangh OR (thinh OR (knhanh OR khinh))))) dynasty*.