Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua phan ho snippets" » "cua phan ho snippets", "qua than ho snippets", "quang phan ho snippets", "qua phan hoa snippets", "qua phan hoi snippets", "qua phan hop 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: (((("qua phan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua phan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua phan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua phan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.