Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den bai con snippets" » "yen bai con snippets", "de bai con snippets", "den vai con snippets", "den bai lon snippets", "den hai con snippets", "den tai cong 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 bai con 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 bai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den bai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.