Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam cao code slippers" » "nam cao cong slippers", "nam cao de slippers", "nam cfd code slippers", "nam sao code slippers", "nam giao code slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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: (((("python using java snippets") or ("nam cao code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nam cao code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nam cao code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nam cao code slippers"))) or ("locating bug code snippets"))*.