Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc cua cau snippets" » "hoc cua cau snippets", "tac cua cau snippets", "doc cua cau snippets", "toc chua cau snippets", "toc cua cac snippets", "toc cua chu 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 cua cau 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 cua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc cua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc cua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.