Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap quan chu snippets" » "tap quan chu snippets", "la quan chu snippets", "lap luan chu snippets", "lap quan khu snippets", "lap quan cau snippets", "lap quan che 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: (((("lap quan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap quan chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap quan chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap quan chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.