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