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