Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nam cao code snippets" » "nam cao cong snippets", "nam cao de snippets", "nam cfd code snippets", "nam sao code snippets", "nam giao code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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 snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nam cao code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nam cao code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nam cao code snippets"))) or ("locating bug code slippers"))*.