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