Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao cac van slippers" » "nam cac van slippers", "sao cac van slippers", "tao cac van slippers", "nao cac dan slippers", "nao cac van slippery", "nao cac van grippers"
"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: (((("nao cac van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao cac van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao cac van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao cac van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.