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