Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan de doi snippets" » "quan den doi snippets", "quang de doi snippets", "quan he doi snippets", "quan te doi snippets", "quan ve doi snippets", "quan ke doi 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: (((("quan de doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan de doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan de doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan de doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.