Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con va son snippets" » "cong va son snippets", "chon va son snippets", "lon va son snippets", "con van son snippets", "con va con snippets", "con va san snippets"
"locating bug code snippets" » "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: (((("con va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con va son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con va son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.