Perhaps you should try some spelling variations:
watching when » watching her, watching over, acting when
wang dong » wang yong, wang hong, wang yang
using svr » using 4ir, using sat, using se
using sar » using sat, using smart, using saber
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi
bird » birds, bid, biro

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong ((yang xi) or (yang jui)) bird watching when ((using svr) OR (using sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong ((yang xi) OR (yang jui)) bird watching when ((using svr) OR (using sar)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dong ((yang xi) or (yang jui)) bird watching when ((using svr) OR (using sar)) ;*".