Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac chat cua snippets" » "cac chat cua snippets", "muc chat cua snippets", "cao chat cua snippets", "mac nhat cua snippets", "mac chat va snippets", "mac chat huu 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 chat 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 chat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac chat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac chat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.