Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nan san cho snippets" » "nhan san cho snippets", "han san cho snippets", "tan san cho snippets", "nan sang cho snippets", "nan san chi snippets", "nan san 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: (((("nan san 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: (((("nan san cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nan san cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nan san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.