Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao hai line snippets" » "dao hai linh snippets", "dao hoai linh snippets", "dao hai long snippets", "dao thai line snippets", "dai hai line snippets", "do hai line 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: (((("dao hai line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao hai line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao hai line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao hai line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.