Perhaps you should try some spelling variations:
"1989 iaaf wordt op" » "1989 baas wordt op" (Expand Search), "1989 iaaf wordt er" (Expand Search)
"1989 iaaf wordt de" » "1989 baas wordt de" (Expand Search)
"1989 iaaf wereld op" » "1989 iaaf wereld _" (Expand Search), "1989 iaaf wereld en" (Expand Search)
"1989 iaaf world op" » "1989 iaaf world we" (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: (((((("1989 iaaf world op") OR ("1989 iaaf wordt op"))) OR ((((("1989 iaaf world wide") OR ((("1989 iaaf world _") OR ("1989 imf world _"))))) OR ((("1989 iaaf word je") OR ("1989 iaaf wordt de"))))))) OR ("1989 iaaf wereld op"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"1989 iaaf world op\") OR (\"1989 iaaf wordt op\"))) OR (((((\"1989 iaaf world wide\") OR (((\"1989 iaaf world _\") OR (\"1989 imf world _\"))))) OR (((\"1989 iaaf word je\") OR (\"1989 iaaf wordt de\"))))))) OR (\"1989 iaaf wereld op\"))".
• Removing quotes may allow a broader search: (((((( 1989 iaaf world op ) OR ( 1989 iaaf wordt op ))) OR ((((( 1989 iaaf world wide ) OR ((( 1989 iaaf world _ ) OR ( 1989 imf world _ ))))) OR ((( 1989 iaaf word je ) OR ( 1989 iaaf wordt de ))))))) OR ( 1989 iaaf wereld op )).
• Adding a wildcard symbol may retrieve word variants: (((((("1989 iaaf world op") OR ("1989 iaaf wordt op"))) OR ((((("1989 iaaf world wide") OR ((("1989 iaaf world _") OR ("1989 imf world _"))))) OR ((("1989 iaaf word je") OR ("1989 iaaf wordt de"))))))) OR ("1989 iaaf wereld op"))*.