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