Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong mot da snippets" » "phong mat da snippets", "phong mo da snippets", "trong mot da snippets", "phong bot da snippets", "phong mot de 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 da 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 da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong mot da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong mot da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.