Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc chat co snippets" » "duoc chat co snippets", "luc nhat co snippets", "hoc chat co snippets", "muc thuat co snippets", "muc chat cua snippets", "muc chat deo 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 chat co 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 chat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc chat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc chat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.