Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc chuc can snippets" » "duc phuc can snippets", "duc suc can snippets", "duc muc can snippets", "duc chuc van snippets", "duc thuc can snippets", "duc chuc nang 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: (((("duc chuc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc chuc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc chuc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc chuc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.