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