Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi cho long snippets" » "hoi cho cong snippets", "hoi cho lon snippets", "hoi cho dong snippets", "hoi chu long snippets", "hoi co long snippets", "hoc cho long 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: (((("hoi cho long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi cho long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi cho long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi cho long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.