Perhaps you should try some spelling variations:
border spacing » border sharing, border drawing, border space
spacing gains » sharing gains
der border » der norder, der vordere, eu border
gains how » chains how, wins how
wang lin » wang li, yang lin, wang limin
wang qin » wang qiao, wang jing, wang ning

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang lin) or (wang qin)) umfang der border spacing gains how self ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang lin) OR (wang qin)) umfang der border spacing gains how self ;*.