Perhaps you should try some spelling variations:
sharing gains » sharing savings, learning gains, securing gains
sharing minh » sharing mining, sharing links, sharing risk
wang qin » wang lin, wang qiao, wang jing
qin hang » yin hang, bin zhang, jin chang
der rent » der re
der rede » der redner, der re
how secs » how self

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang qin hang ((der rent) or (der rede)) ((sharing minh) OR (sharing gains)) how secs ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qin hang ((der rent) OR (der rede)) ((sharing minh) OR (sharing gains)) how secs ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang qin hang ((der rent) or (der rede)) ((sharing minh) OR (sharing gains)) how secs ;*".