Perhaps you should try some spelling variations:
dinh yuan » dinh tuan
yuan ming » yuan ting, kian ming, tuan minh
ming cong » minh cong, ming kong, ming code
yang hua » wang hua, yang hui, ying hua
yang jui » yang judy, yang xi
nan yan » nan ya, wang yan, qian yan
yang yi » yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan ((yang hua) or (((yang jui) or (((yang di) or (yang yi)))))) dinh yuan ming cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan ((yang hua) OR (((yang jui) OR (((yang di) OR (yang yi)))))) dinh yuan ming cong shu ;.
• Adding a wildcard symbol may retrieve word variants: nan yan ((yang hua) or (((yang jui) or (((yang di) or (yang yi)))))) dinh yuan ming cong shu ;*.