Perhaps you should try some spelling variations:
dong sina » dong bin, dong ping
chen lang » chen yang, chen wang, chen rong
yala las » para las
las chen » li chen, a chen, ta chen
lang und » klang und, langs und, gang und
und data » fund data, wind data, und daten
sina » signa, sinda, skina
sin » sign, sind, skin

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong sina) or (dong sin)) yala las chen lang und data (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong sina) OR (dong sin)) yala las chen lang und data (hai OR hadi) ;*.