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