Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"young vu cao snippets" » "young ju cao snippets", "trung vu cao snippets", "hung vu cao snippets", "young cu cao snippets", "young va cao 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: (((("young vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("young vu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( young vu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("young vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.