Perhaps you should try some spelling variations:
savings cross » savings groups, savings access, savings group
wang liang » wang yang
zhang ying » zhang ming, zhang jing, zhang ping
wrong when » wrong keen, wrong what, wrong who
wrong why » wrong way, wrong who, strong why
der cost » oder cost, user cost, debt cost

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((wang liang) or (zhang ying)) der cost savings cross ((wrong when) or (wrong why)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((wang liang) OR (zhang ying)) der cost savings cross ((wrong when) OR (wrong why)) ;.
• Adding a wildcard symbol may retrieve word variants: wang ((wang liang) or (zhang ying)) der cost savings cross ((wrong when) or (wrong why)) ;*.