Perhaps you should try some spelling variations:
ming » mieng, minh, mang
han » phan, hanh, hang
nphanh » npphanh, nphanhh, nphangh, nhanh, phanh
phang » pphang, phanhg, phangg, phan, hang, phong
phanhg » pphanhg, phanhhg, phanghg, phanh
khangh » kphangh, khanhgh, khanggh, khanh, khang
nhan » nphan, nhanh, nhang, phan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: emperor ming of (han OR ((((nphanh OR (phang OR phanhg)) OR khangh) OR nhan) OR nganh))~.
• Adding a wildcard symbol may retrieve word variants: emperor ming of (han or ((((nphanh or (phang or phanhg)) or khangh) or nhan) or nganh))*.