Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham noi lo snippets" » "cham hoi lo snippets", "cham voi lo snippets", "cham nhin lo snippets", "cham noi lao snippets", "cham noi bo snippets", "cham noi co 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: (((("cham noi lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham noi lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham noi lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham noi lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.