Perhaps you should try some spelling variations:
assembly detection » anomaly detection
"2016 west bengal legislative assembly election" » "2016 test bengal legislative assembly election", "2016 best bengal legislative assembly election", "2016 west bengal legislation assembly election"
"2016 west bengal legislative assembly reflection" » "2016 test bengal legislative assembly reflection", "2016 best bengal legislative assembly reflection", "2016 west bengal legislation assembly reflection"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("2016 west bengal legislative assembly election") OR ((("2016 west bengal legislative assembly reflection") OR ((("2016 West Bengal Legislative Assembly selection") OR ("2016 West Bengal Legislative Assembly detection"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"2016 west bengal legislative assembly election\") or (((\"2016 west bengal legislative assembly reflection\") or (((\"2016 West Bengal Legislative Assembly selection\") OR (\"2016 West Bengal Legislative Assembly detection\"))))))~".
• Removing quotes may allow a broader search: (( 2016 west bengal legislative assembly election ) or ((( 2016 west bengal legislative assembly reflection ) or ((( 2016 West Bengal Legislative Assembly selection ) OR ( 2016 West Bengal Legislative Assembly detection ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("2016 west bengal legislative assembly election") or ((("2016 west bengal legislative assembly reflection") or ((("2016 West Bengal Legislative Assembly selection") OR ("2016 West Bengal Legislative Assembly detection"))))))*.