Perhaps you should try some spelling variations:
heads deep » head deep, hearts deep, heads beer
deep lying » deep frying, deep leaning, deep linking
part great » party great, parts great, part greater
big heads » big head, being heads, high heads
art great » arts great, last great, art greek

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 heads deep lying ) OR ( my big ((part great) OR (art great)) reading )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( my big heads deep lying ) or ( my big ((part great) OR (art great)) reading ))".
• Adding a wildcard symbol may retrieve word variants: (( my big heads deep lying ) or ( my big ((part great) OR (art great)) reading ))*.