Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc soi co snippets" » "duc loi co snippets", "duc so co snippets", "duc moi co snippets", "duc hoi co snippets", "duc doi co 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 soi co 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 soi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc soi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc soi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.