Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc long ho snippets" » "ngoc huong ho snippets", "ngoc hung ho snippets", "ngoc lan ho snippets", "ngoc long ha snippets", "ngoc dong ho snippets", "ngoc cong ho 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: (((("ngoc long 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: (((("ngoc long ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc long ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc long ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.