Perhaps you should try some spelling variations:
"social working platform" » "social networking platform" (Expand Search), "social workout platform" (Expand Search), "social learning platform" (Expand Search), "social bonding platform" (Expand Search), "social masking platform" (Expand Search), "social forceing platform" (Expand Search)
"social housing platform" » "social sensing platform" (Expand Search), "social computing platform" (Expand Search), "social online platform" (Expand Search), "local housing platform" (Expand Search), "social touching platform" (Expand Search), "social bonding platform" (Expand Search)
"social work platform" » "social workout platform" (Expand Search), "social network platform" (Expand Search), "social mooc platform" (Expand Search), "social force platform" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("social working platform") OR ((("social housing platform") OR ("social work platform"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"social working platform\") OR (((\"social housing platform\") OR (\"social work platform\"))))".
• Removing quotes may allow a broader search: (( social working platform ) OR ((( social housing platform ) OR ( social work platform )))).
• Adding a wildcard symbol may retrieve word variants: (("social working platform") OR ((("social housing platform") OR ("social work platform"))))*.