Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua quan den snippets" » "luat quan den snippets", "qua quan den snippets", "luc quan den snippets", "lua quan doan snippets", "lua quan he snippets", "lua quan doi 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: (((("python using java snippets") or ("lua quan den snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua quan den snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua quan den snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua quan den snippets"))) or ("locating bug code snippets"))*.