Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"from nen cho snippets" » "from veno cho snippets", "from bee cho snippets", "from e cho snippets", "from nen co snippets", "from benh cho snippets", "from dien cho 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: (((("from nen 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: (((("from nen cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from nen cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from nen cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.