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