Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu bai voi snippets" » "lieu tai voi snippets", "lieu va voi snippets", "lieu xay voi snippets", "lieu ba voi snippets", "lieu ban voi snippets", "lieu bai choi 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: (((("lieu bai voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu bai voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu bai voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu bai voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.