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