Perhaps you should try some spelling variations:
west » best
selection » detection
selectrons » selections, elections, selectronics, selectrodes, selectrode
selectors » selector, selections, sectors
electrons » electronics, electrodes, electrode
sdetection » detection, detections
detention » detection, retention, attention

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( 2016 (west or test) bengal legislation assembly (selection or (((selectrons OR selectors) or electrons) or (sdetection or detention))) ) or ( 2016 (west or test) bengal legislation assembly (electron or electronic) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( 2016 (west OR test) bengal legislation assembly (selection OR (((selectrons OR selectors) OR electrons) OR (sdetection OR detention))) ) OR ( 2016 (west OR test) bengal legislation assembly (electron OR electronic) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( 2016 (west or test) bengal legislation assembly (selection or (((selectrons OR selectors) or electrons) or (sdetection or detention))) ) or ( 2016 (west or test) bengal legislation assembly (electron or electronic) ))*".