Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rieng ky do snippets" » "kieng ky do snippets", "bien ky do snippets", "dien ky do snippets", "rieng ky doi snippets", "rieng ke do snippets", "rieng ly 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: (((("rieng ky do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rieng ky do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rieng ky do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rieng ky do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.