Perhaps you should try some spelling variations:
than change » chain change, can change, mean change
change 2.1 » change 1
2.1 sheng » 2.1 scene, 2.1 sheet, l.t sheng
dang hadi » dang hai
ran than » tran thanh, van thanh
yang jun » pang jun, yang judy, yang fan
yang jui » yang judy, yang xi, yang yi
yang jin » yang jie, ying jin, shang jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ran than change 2.1 sheng ((((((yang jun) or (yang jui))) or (yang jin))) or (yang di)) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ran than change 2.1 sheng ((((((yang jun) OR (yang jui))) OR (yang jin))) OR (yang di)) dang hadi ;.
• Adding a wildcard symbol may retrieve word variants: ran than change 2.1 sheng ((((((yang jun) or (yang jui))) or (yang jin))) or (yang di)) dang hadi ;*.