Perhaps you should try some spelling variations:
ying yang » yang yang, yin yang, ying chang
shang kai » shang hai
ran ying » fan ying, tan ying, jin ying
wei chen » frei chen, jui chen, yi chen
wei shen » kwei sheng, enwei shen, wei shang
yang jie » yang jin, yang di, yang jui
yang yi » yang di, yang xi, yang jui
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: ran ying yang ((wei chen) OR (wei shen)) ((yang jie) or (yang yi)) ((shang kai) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ran ying yang ((wei chen) OR (wei shen)) ((yang jie) OR (yang yi)) ((shang kai) OR (dang hai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ran ying yang ((wei chen) OR (wei shen)) ((yang jie) or (yang yi)) ((shang kai) or (dang hai)) ;".
• Adding a wildcard symbol may retrieve word variants: ran ying yang ((wei chen) OR (wei shen)) ((yang jie) or (yang yi)) ((shang kai) or (dang hai)) ;*.