Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap dau dot snippets" » "phan dau dot snippets", "phap day dot snippets", "pham dau dot snippets", "phap dau mot snippets", "phap da dot snippets", "phap dau do 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: (((("phap dau dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap dau dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap dau dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap dau dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.