Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ma cua he snippets" » "ca cua he snippets", "manh cua he snippets", "mang cua he snippets", "ma cua che snippets", "ma cua te snippets", "ma cua le 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: (((("ma cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ma cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ma cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ma cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.