Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc tu hoan snippets" » "muc thu hoan snippets", "muc su hoan snippets", "muc vu hoan snippets", "luc tu hoan snippets", "duc tu hoan snippets", "mac tu hoan 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: (((("muc tu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("muc tu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc tu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc tu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.