Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"19 using pre snippets" » "19 using code snippets", "19 nursing pre snippets", "19 using one snippets", "19 using ph snippets", "_ using pre snippets", "ε using pre snippets"
"using java java snippets" » "using data java snippets"

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 pre snippets") or ("using java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("19 using pre snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( 19 using pre snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))*.