Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay thuan vo snippets" » "cay than vo snippets", "cay thuoc vo snippets", "nam thuan vo snippets", "cay thuan loi snippets", "cay thuat do 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: (((("cay thuan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cay thuan vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay thuan vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay thuan vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.