Perhaps you should try some spelling variations:
lang fang » lang lang, zhang fang, yang fan
chih hang » chin chang, shih huang, chih yung
hang hong » zhang hong, hong hong, wang hong
cheng lu » cheng chu, cheng _
yuan li » yuan lin, guan li, dayuan li
yuan zi » yan zi, yuan fei, yuan hui
chen yu » chen y, chen yulu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang fang ((yuan li) or (yuan zi)) chih hang hong ((cheng lu) OR (chen yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang fang ((yuan li) OR (yuan zi)) chih hang hong ((cheng lu) OR (chen yu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang fang ((yuan li) or (yuan zi)) chih hang hong ((cheng lu) OR (chen yu)) ;*".