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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("2016 test bengal legislation assembly election") or ((("2016 west bengal legislation assembly selection") or ("2016 west bengal legislation assembly detection"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("2016 test bengal legislation assembly election") OR ((("2016 west bengal legislation assembly selection") OR ("2016 west bengal legislation assembly detection")))).
• Removing quotes may allow a broader search: (( 2016 test bengal legislation assembly election ) or ((( 2016 west bengal legislation assembly selection ) or ( 2016 west bengal legislation assembly detection )))).
• Adding a wildcard symbol may retrieve word variants: (("2016 test bengal legislation assembly election") or ((("2016 west bengal legislation assembly selection") or ("2016 west bengal legislation assembly detection"))))*.