Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"2011 ta van snippets" » "2011 tt van snippets", "2012 tai van snippets", "2015 tai van snippets", "2011 tan van snippets", "2011 tap van snippets", "2011 va van snippets", "2011 ta van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("2011 ta van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("2011 ta van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 2011 ta van snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("2011 ta van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.