Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu thi lo snippets" » "lieu tai lo snippets", "sieu thi lo snippets", "kieu thi lo snippets", "lieu thi loc snippets", "lieu thi mo snippets", "lieu thi ly 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 thi lo 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 thi lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu thi lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu thi lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.