Perhaps you should try some spelling variations:
"algemene staking van 1993" » "algemene werking van 1993" (Expand Search), "algemene staking van 19" (Expand Search)
"algemene staking van 1995" » "algemene werking van 1995" (Expand Search), "algemene staking van 19" (Expand Search)
"algemene staking van 15" » "algemene werking van 15" (Expand Search), "algemene staking van 11" (Expand Search), "algemene staking van 18" (Expand Search), "algemene staking van 17" (Expand Search)
"algemene staking van 10" » "algemene werking van 10" (Expand Search)

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 1993") OR ((("algemene staking van 1995") OR ((("algemene staking van 15") OR ("algemene staking van 10"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"algemene staking van 1993\") OR (((\"algemene staking van 1995\") OR (((\"algemene staking van 15\") OR (\"algemene staking van 10\"))))))".
• Removing quotes may allow a broader search: (( algemene staking van 1993 ) OR ((( algemene staking van 1995 ) OR ((( algemene staking van 15 ) OR ( algemene staking van 10 )))))).
• Adding a wildcard symbol may retrieve word variants: (("algemene staking van 1993") OR ((("algemene staking van 1995") OR ((("algemene staking van 15") OR ("algemene staking van 10"))))))*.