Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"19 using raw slippery" » "19 using real slippery", "19 using a slippery", "19 using low slippery", "_ using raw slippery", "ε using raw slippery", "19 using raw slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("19 using raw slippery") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"19 using raw slippery\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( 19 using raw slippery ) OR ( using java java snippets ))) OR ( locating bug core snippets ))*.