Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong mot de snippets" » "phong mat de snippets", "phong mo de snippets", "trong mot de snippets", "phong mot ke snippets", "phong mot he 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: (((("phong mot de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong mot de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong mot de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong mot de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.