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