Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi may du snippets" » "noi xay du snippets", "nguoi may du snippets", "noi day du snippets", "noi may tu snippets", "noi may do 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: (((("noi may du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi may du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi may du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi may du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.