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