Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang nui doi snippets" » "lang cuoi doi snippets", "nang noi doi snippets", "lang que doi snippets", "lang noi doi snippets", "lang nu doi snippets", "lang nguoi 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: (((("lang nui doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang nui doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang nui doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang nui doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.