Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rieng ly do snippets" » "kieng ky do snippets", "dien ly do snippets", "hien ly do snippets", "rieng ly dao snippets", "rieng ly doi snippets", "rieng ly du 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 ly 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 ly do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rieng ly do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rieng ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.