Perhaps you should try some spelling variations:
"1989 imf wereld en" » "1989 imf wereld van" (Expand Search), "1989 imf wereld _" (Expand Search)
"1989 iaaf world op" » "1989 iaaf wereld op" (Expand Search), "1989 iaaf wordt op" (Expand Search)
"1989 imf world op" » "1989 imf wereld op" (Expand Search), "1989 imf wordt op" (Expand Search)
"1989 iaaf world we" » "1989 iaaf world wide" (Expand Search), "1989 iaaf 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 op") OR ("1989 iaaf world we"))) OR ((((("1989 imf world op") OR ("1989 imf wereld en"))) OR ("1989 imf world _"))))~.
• 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 world op\") OR (\"1989 imf wereld en\"))) OR (\"1989 imf world _\"))))".
• Removing quotes may allow a broader search: (((( 1989 iaaf world op ) OR ( 1989 iaaf world we ))) OR ((((( 1989 imf world op ) OR ( 1989 imf wereld en ))) OR ( 1989 imf world _ )))).
• Adding a wildcard symbol may retrieve word variants: (((("1989 iaaf world op") OR ("1989 iaaf world we"))) OR ((((("1989 imf world op") OR ("1989 imf wereld en"))) OR ("1989 imf world _"))))*.