Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban nam cho snippets" » "van nam cho snippets", "dan nam cho snippets", "ban ham cho snippets", "ban nam chon snippets", "ban nam chi snippets", "ban nam cao 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: (((("ban nam 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: (((("ban nam cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban nam cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban nam cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.