Perhaps you should try some spelling variations:
"my big smart green cleaning" » "my big smart trees cleaning", "my big smart grain cleaning", "my big smart green learning", "my big start green cleaning", "my being smart green cleaning", "my big small green cleaning"
"my big earth great wedding" » "my big earth great leading", "my big earth great reading", "my big earth great coding", "my big earthen great wedding", "my big health great wedding", "my big wealth great wedding"
"my big art great trade" » "my big art wheat trade", "my big art great leader", "my big arts great trade", "my big last great trade", "my big art greek trade", "my big part great trade", "my big act great trade", "my big start great trade"
"my big art great trading" » "my big arts great trading", "my big last great trading", "my big art greek trading", "my big part great trading", "my big act great trading", "my big start great trading"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("my big art great trading") OR ("my big art great trade"))) OR ("my big earth great wedding"))) OR ("my big smart green cleaning")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"my big art great trading\") OR (\"my big art great trade\"))) or (\"my big earth great wedding\"))) or (\"my big smart green cleaning\"))".
• Removing quotes may allow a broader search: (((((( my big art great trading ) OR ( my big art great trade ))) or ( my big earth great wedding ))) or ( my big smart green cleaning )).
• Adding a wildcard symbol may retrieve word variants: (((((("my big art great trading") OR ("my big art great trade"))) or ("my big earth great wedding"))) or ("my big smart green cleaning"))*.