Perhaps you should try some spelling variations:
"algemene staking van 1013" » "algemene werking van 1013" (Expand Search), "algemene staking van 11" (Expand Search), "algemene staking van 1993" (Expand Search), "algemene staking van 1917" (Expand Search)
"algemene staking van 10" » "algemene werking van 10" (Expand Search)
"algemene staking van 19" » "algemene werking van 19" (Expand Search), "algemene staking van 11" (Expand Search), "algemene staking van 18" (Expand Search), "algemene staking van 17" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("algemene staking van 1013") OR ("algemene staking van 10"))) OR ("algemene staking van 19"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"algemene staking van 1013\") OR (\"algemene staking van 10\"))) OR (\"algemene staking van 19\"))".
• Removing quotes may allow a broader search: (((( algemene staking van 1013 ) OR ( algemene staking van 10 ))) OR ( algemene staking van 19 )).
• Adding a wildcard symbol may retrieve word variants: (((("algemene staking van 1013") OR ("algemene staking van 10"))) OR ("algemene staking van 19"))*.