Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap hai son snippets" » "phap han son snippets", "phap tai son snippets", "pham hai son snippets", "phap thai son snippets", "phap ha son snippets", "phap dai son 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 hai son 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 hai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap hai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap hai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.