Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang china » change china, zhejiang china, changed china
hang china » han china, change china, ghana china
mein dank » ein dank, sein dann
min dang » yimin dang, bin dann, ein dank
why go » why do, why good
hadi » had

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaotong ((zhang china) OR (hang china)) why go ((min dang) or (mein dank)) hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaotong ((zhang china) OR (hang china)) why go ((min dang) OR (mein dank)) hadi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaotong ((zhang china) OR (hang china)) why go ((min dang) or (mein dank)) hadi ;*".