Perhaps you should try some spelling variations:
han » nhan, than, hoan
nthan » ntnhan, ntthan, nthoan, nathan, nhan, than
hang » nhang, thang, hoang, nang, dang, bang
hanh » nhanh, thanh, hoanh, anh
nthangh » ntnhangh, ntthangh, nthoangh, nathangh, nhangh, thangh, ntnangh, ntdangh, ntbangh
phanh » pnhanh, pthanh, phoanh, panh, thanh, khanh, nhanh
phangh » pnhangh, pthangh, phoangh, pnangh, pdangh, pbangh, phang
phan » pnhan, pthan, phoan
hinh » chinh, dinh, minh

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 (nthan or hang)) or (((hanh or nthangh) or hinh) or ((phanh or phangh) or phan))) dynasty~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((han OR (nthan OR hang)) OR (((hanh OR nthangh) OR hinh) OR ((phanh OR phangh) OR phan))) dynasty.
• Adding a wildcard symbol may retrieve word variants: ((han or (nthan or hang)) or (((hanh or nthangh) or hinh) or ((phanh or phangh) or phan))) dynasty*.