Perhaps you should try some spelling variations:
"2016 test bengal legislative assembly election" » "2007 test bengal legislative assembly election", "2017 text bengal legislative assembly election", "2016 test bengal legislation assembly election"
"2016 west bengal legislative assembly election" » "2016 best bengal legislative assembly election", "2016 west bengal legislation assembly election"
"2016 west bengal legislative assembly reflection" » "2016 best bengal legislative assembly reflection", "2016 west bengal legislation assembly reflection"
"2016 west bengal legislative assembly selection" » "2016 best bengal legislative assembly selection", "2016 west bengal legislation assembly selection", "2016 west bengal legislative assembly detection", "2016 west bengal legislative assembly electron"

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 test bengal legislative assembly election"))) OR ((("2016 west bengal legislative assembly reflection") OR ("2016 west bengal legislative assembly selection"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"2016 west bengal legislative assembly election\") OR (\"2016 test bengal legislative assembly election\"))) or (((\"2016 west bengal legislative assembly reflection\") or (\"2016 west bengal legislative assembly selection\"))))~".
• Removing quotes may allow a broader search: (((( 2016 west bengal legislative assembly election ) OR ( 2016 test bengal legislative assembly election ))) or ((( 2016 west bengal legislative assembly reflection ) or ( 2016 west bengal legislative assembly selection ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("2016 west bengal legislative assembly election") OR ("2016 test bengal legislative assembly election"))) or ((("2016 west bengal legislative assembly reflection") or ("2016 west bengal legislative assembly selection"))))*.