Perhaps you should try some spelling variations:
main » mai
dang » dan, dung, dong
rieng » tieng
han » phan, nhan, than
hang » phang, nhang, thang, nang, bang
hanh » phanh, nhanh, thanh, anh, hinh
thanh » tphanh, tnhanh, tthanh, tanh, thinh
pnhan » pnphan, pnnhan, pnthan, phan, nhan

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

• Performing a fuzzy search may retrieve terms with similar spellings: emperor ((main or dang) or rieng) of (((han or hang) or (hanh OR thanh)) or pnhan)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: emperor ((main OR dang) OR rieng) of (((han OR hang) OR (hanh OR thanh)) OR pnhan).
• The words AND, OR and NOT may confuse the search; try adding quotes: "emperor ((main or dang) or rieng) of (((han or hang) or (hanh OR thanh)) or pnhan)".
• Adding a wildcard symbol may retrieve word variants: emperor ((main or dang) or rieng) of (((han or hang) or (hanh OR thanh)) or pnhan)*.