Perhaps you should try some spelling variations:
ren seeking » rent seeking, when seeking, return seeking
dong sign » dong sin, among sign, dong bin
seeking a » seeking _
wang hui » wang hua, wang zhi, wang wei
yang jui » yang judy, yang di, yang xi
dong di » dong sin
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong di) or (dong sign)) ya hua ren seeking a ((wang hui) or (yang jui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong di) OR (dong sign)) ya hua ren seeking a ((wang hui) OR (yang jui)) ;*.