Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc mot cong snippets" » "luc moi cong snippets", "luc hoc cong snippets", "luc bo cong snippets", "lac mot cong snippets", "tuc mot cong 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: (((("luc mot cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc mot cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc mot cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc mot cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.