Perhaps you should try some spelling variations:
xiaoping how » mapping how, xiaoping _, xiaoping shi
xiaoping 3 » xiaoping _, xiaojing a, xiaoping shi
data hari » data sharing
dan yang » daun yang, wang yang, yang yang
tan yang » tan ying, tan yong, tao yang
und data » fund data, wind data, und daten
deng » den, eng, dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: deng ((xiaoping 3) OR (xiaoping how)) china ((dan yang) or (tan yang)) und data hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: deng ((xiaoping 3) OR (xiaoping how)) china ((dan yang) OR (tan yang)) und data hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "deng ((xiaoping 3) OR (xiaoping how)) china ((dan yang) or (tan yang)) und data hari ;*".