Perhaps you should try some spelling variations:
han » nhan, hang, than
hanh » nhanh, hangh, thanh, anh, hinh
ntphanh » ntpnhanh, ntphangh, ntpthanh, ntpanh, ntphinh, ntthanh, ntkhanh, ntnhanh
phanggh » pnhanggh, phangggh, pthanggh
phanh » pnhanh, phangh, pthanh, panh, phinh, thanh, khanh, nhanh
phan » pnhan, phang, pthan
ppnhanh » ppnnhanh, ppnhangh, ppnthanh, ppnanh, ppnhinh
kanh » khanh, anh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (han or ((hanh or ntphanh) or (phanggh or (((phanh OR phan) or ppnhanh) or kanh)))) dynasty~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (han OR ((hanh OR ntphanh) OR (phanggh OR (((phanh OR phan) OR ppnhanh) OR kanh)))) dynasty*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(han or ((hanh or ntphanh) or (phanggh or (((phanh OR phan) or ppnhanh) or kanh)))) dynasty*".