Perhaps you should try some spelling variations:
"algemene staking van 1095" » "algemene staking van 1995" (Expand Search), "algemene staking van 10" (Expand Search), "algemene staking van 19" (Expand Search)
"algemene werking van 15" » "algemene werking van 10" (Expand Search), "algemene werking van 18" (Expand Search), "algemene werking van 17" (Expand Search)
"algemene staking van 11" » "algemene staking van 10" (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 1095") OR ("algemene werking van 15"))) OR ("algemene staking van 11"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"algemene staking van 1095\") OR (\"algemene werking van 15\"))) OR (\"algemene staking van 11\"))".
• Removing quotes may allow a broader search: (((( algemene staking van 1095 ) OR ( algemene werking van 15 ))) OR ( algemene staking van 11 )).
• Adding a wildcard symbol may retrieve word variants: (((("algemene staking van 1095") OR ("algemene werking van 15"))) OR ("algemene staking van 11"))*.