Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc he can snippets" » "phuc h can snippets", "phuc le can snippets", "phuc se can snippets", "phuc he dan snippets", "phuc he van snippets", "phuc he cac 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: (((("phuc he 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: (((("phuc he can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc he can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc he can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.