Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thap du du snippets" » "thap di du snippets", "thap su du snippets", "thap tu du snippets", "phap du du snippets", "tap du du snippets", "than du du 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: (((("thap du 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: (((("thap du du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thap du du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thap du du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.