Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc qua chu snippets" » "goc qua chu snippets", "tac quan chu snippets", "hoc quan chu snippets", "toc quan chu snippets", "toc cua chu snippets", "toc qua cu 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: (((("toc qua chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc qua chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc qua chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc qua chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.