Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu ly can snippets" » "lieu ky can snippets", "lieu xay can snippets", "lieu lon can snippets", "lieu ly chan snippets", "lieu ly ca snippets", "lieu ly ban 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 ly can 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 ly can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu ly can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu ly can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.